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12675642 = 2371741433
BaseRepresentation
bin110000010110…
…101000111010
3212211222201020
4300112220322
511221110032
61131403310
7212512140
oct60265072
925758636
1012675642
117178441
1242b3536
13281a6a5
14197d590
1511a5b2c
hexc16a3a

12675642 has 64 divisors (see below), whose sum is σ = 31497984. Its totient is φ = 3317760.

The previous prime is 12675623. The next prime is 12675667. The reversal of 12675642 is 24657621.

It is a super-2 number, since 2×126756422 = 321343800224328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29058 + ... + 29490.

It is an arithmetic number, because the mean of its divisors is an integer number (492156).

Almost surely, 212675642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12675642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15748992).

12675642 is an abundant number, since it is smaller than the sum of its proper divisors (18822342).

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

12675642 is a wasteful number, since it uses less digits than its factorization.

12675642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its digits is 20160, while the sum is 33.

The square root of 12675642 is about 3560.2867862014. The cubic root of 12675642 is about 233.1614003254.

The spelling of 12675642 in words is "twelve million, six hundred seventy-five thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 17 21 34 41 42 51 82 102 119 123 238 246 287 357 433 574 697 714 861 866 1299 1394 1722 2091 2598 3031 4182 4879 6062 7361 9093 9758 14637 14722 17753 18186 22083 29274 35506 44166 51527 53259 103054 106518 124271 154581 248542 301801 309162 372813 603602 745626 905403 1810806 2112607 4225214 6337821 12675642