12502905 has 16 divisors (see below), whose sum is σ = 21181824. Its totient is φ = 6275840.

The previous prime is 12502873. The next prime is 12502921. The reversal of 12502905 is 50920521.

It is not a de Polignac number, because 12502905 - 2⁵ = 12502873 is a prime.

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, 24261 + ... + 24770.

It is an arithmetic number, because the mean of its divisors is an integer number (1323864).

Almost surely, 2^12502905 is an apocalyptic number.

12502905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12502905 is a deficient number, since it is larger than the sum of its proper divisors (8678919).

12502905 is a wasteful number, since it uses less digits than its factorization.

12502905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49056.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 12502905 is about 3535.9447111062. The cubic root of 12502905 is about 232.0974187088.

The spelling of 12502905 in words is "twelve million, five hundred two thousand, nine hundred five".