12725554 has 16 divisors (see below), whose sum is σ = 21276000. Its totient is φ = 5673024.

The previous prime is 12725551. The next prime is 12725561. The reversal of 12725554 is 45552721.

It is not an unprimeable number, because it can be changed into a prime (12725551) 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, 9204 + ... + 10495.

It is an arithmetic number, because the mean of its divisors is an integer number (1329750).

Almost surely, 2^12725554 is an apocalyptic number.

12725554 is a deficient number, since it is larger than the sum of its proper divisors (8550446).

12725554 is a wasteful number, since it uses less digits than its factorization.

12725554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19737.

The product of its digits is 14000, while the sum is 31.

The square root of 12725554 is about 3567.2894471854. The cubic root of 12725554 is about 233.4670340321.

The spelling of 12725554 in words is "twelve million, seven hundred twenty-five thousand, five hundred fifty-four".