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12633630 = 235421121
BaseRepresentation
bin110000001100…
…011000011110
3212202212002020
4300030120132
511213234010
61130441010
7212245512
oct60143036
925685066
1012633630
117149919
124293166
132804529
14196c142
151198470
hexc0c61e

12633630 has 16 divisors (see below), whose sum is σ = 30320784. Its totient is φ = 3368960.

The previous prime is 12633629. The next prime is 12633631. The reversal of 12633630 is 3633621.

It is an interprime number because it is at equal distance from previous prime (12633629) and next prime (12633631).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12633630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210531 + ... + 210590.

It is an arithmetic number, because the mean of its divisors is an integer number (1895049).

Almost surely, 212633630 is an apocalyptic number.

12633630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12633630 is an abundant number, since it is smaller than the sum of its proper divisors (17687154).

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

12633630 is a wasteful number, since it uses less digits than its factorization.

12633630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421131.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 12633630 is about 3554.3818027893. The cubic root of 12633630 is about 232.9035194008.

Subtracting from 12633630 its reverse (3633621), we obtain a palindrome (9000009).

The spelling of 12633630 in words is "twelve million, six hundred thirty-three thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 421121 842242 1263363 2105605 2526726 4211210 6316815 12633630