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12950685 = 365111719
BaseRepresentation
bin110001011001…
…110010011101
3220100222000000
4301121302131
511303410220
61141324513
7215036046
oct61316235
926328000
1012950685
117346050
124406739
1328b5937
141a118cd
15120c390
hexc59c9d

12950685 has 112 divisors (see below), whose sum is σ = 28330560. Its totient is φ = 5598720.

The previous prime is 12950681. The next prime is 12950687. The reversal of 12950685 is 58605921.

It is a happy number.

It is not a de Polignac number, because 12950685 - 22 = 12950681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12950681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 681606 + ... + 681624.

Almost surely, 212950685 is an apocalyptic number.

12950685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12950685 is an abundant number, since it is smaller than the sum of its proper divisors (15379875).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12950685 is a wasteful number, since it uses less digits than its factorization.

12950685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 12950685 is about 3598.7060174457. The cubic root of 12950685 is about 234.8357687596.

The spelling of 12950685 in words is "twelve million, nine hundred fifty thousand, six hundred eighty-five".

Divisors: 1 3 5 9 11 15 17 19 27 33 45 51 55 57 81 85 95 99 135 153 165 171 187 209 243 255 285 297 323 405 459 495 513 561 627 729 765 855 891 935 969 1045 1215 1377 1485 1539 1615 1683 1881 2295 2565 2673 2805 2907 3135 3553 3645 4131 4455 4617 4845 5049 5643 6885 7695 8019 8415 8721 9405 10659 12393 13365 13851 14535 15147 16929 17765 20655 23085 25245 26163 28215 31977 40095 43605 45441 50787 53295 61965 69255 75735 78489 84645 95931 130815 136323 152361 159885 227205 235467 253935 287793 392445 479655 681615 761805 863379 1177335 1438965 2590137 4316895 12950685