12725637 has 8 divisors (see below), whose sum is σ = 17245920. Its totient is φ = 8344560.

The previous prime is 12725627. The next prime is 12725653. The reversal of 12725637 is 73652721.

12725637 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12725637 - 2⁸ = 12725381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12725598 and 12725607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725627) 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, 34587 + ... + 34952.

It is an arithmetic number, because the mean of its divisors is an integer number (2155740).

Almost surely, 2^12725637 is an apocalyptic number.

It is an amenable number.

12725637 is a deficient number, since it is larger than the sum of its proper divisors (4520283).

12725637 is an equidigital number, since it uses as much as digits as its factorization.

12725637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69603.

The product of its digits is 17640, while the sum is 33.

The square root of 12725637 is about 3567.3010806491. The cubic root of 12725637 is about 233.4675416124.

The spelling of 12725637 in words is "twelve million, seven hundred twenty-five thousand, six hundred thirty-seven".