12605902 has 8 divisors (see below), whose sum is σ = 19518912. Its totient is φ = 6099600.

The previous prime is 12605899. The next prime is 12605903. The reversal of 12605902 is 20950621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101599 + ... + 101722.

It is an arithmetic number, because the mean of its divisors is an integer number (2439864).

Almost surely, 2^12605902 is an apocalyptic number.

12605902 is a deficient number, since it is larger than the sum of its proper divisors (6913010).

12605902 is a wasteful number, since it uses less digits than its factorization.

12605902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203354.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12605902 is about 3550.4791225974. The cubic root of 12605902 is about 232.7330041665.

The spelling of 12605902 in words is "twelve million, six hundred five thousand, nine hundred two".