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12637072 = 247112831
BaseRepresentation
bin110000001101…
…001110010000
3212210000210201
4300031032100
511213341242
61130504544
7212261530
oct60151620
925700721
1012637072
117151468
124295154
132805c76
14196d4c0
1511994b7
hexc0d390

12637072 has 20 divisors (see below), whose sum is σ = 27982336. Its totient is φ = 5415840.

The previous prime is 12637067. The next prime is 12637073. The reversal of 12637072 is 27073621.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12637072.

It is not an unprimeable number, because it can be changed into a prime (12637073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56304 + ... + 56527.

Almost surely, 212637072 is an apocalyptic number.

It is an amenable number.

12637072 is an abundant number, since it is smaller than the sum of its proper divisors (15345264).

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

12637072 is a wasteful number, since it uses less digits than its factorization.

12637072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112846 (or 112840 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 12637072 is about 3554.8659609049. The cubic root of 12637072 is about 232.9246688018.

The spelling of 12637072 in words is "twelve million, six hundred thirty-seven thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 112831 225662 451324 789817 902648 1579634 1805296 3159268 6318536 12637072