12502805 has 16 divisors (see below), whose sum is σ = 17238144. Its totient is φ = 8527680.

The previous prime is 12502759. The next prime is 12502811. The reversal of 12502805 is 50820521.

It is not a de Polignac number, because 12502805 - 2⁸ = 12502549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6539 + ... + 8231.

It is an arithmetic number, because the mean of its divisors is an integer number (1077384).

Almost surely, 2^12502805 is an apocalyptic number.

It is an amenable number.

12502805 is a deficient number, since it is larger than the sum of its proper divisors (4735339).

12502805 is a wasteful number, since it uses less digits than its factorization.

12502805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 12502805 is about 3535.9305705853. The cubic root of 12502805 is about 232.0967999245.

The spelling of 12502805 in words is "twelve million, five hundred two thousand, eight hundred five".