12521896 has 16 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 6231984.

The previous prime is 12521891. The next prime is 12521903. The reversal of 12521896 is 69812521.

12521896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12521891) 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, 1726 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^12521896 is an apocalyptic number.

It is an amenable number.

12521896 is a deficient number, since it is larger than the sum of its proper divisors (11065304).

12521896 is a wasteful number, since it uses less digits than its factorization.

12521896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248 (or 7244 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 12521896 is about 3538.6291130889. The cubic root of 12521896 is about 232.2148722732.

The spelling of 12521896 in words is "twelve million, five hundred twenty-one thousand, eight hundred ninety-six".