12990502 has 16 divisors (see below), whose sum is σ = 22648320. Its totient is φ = 5472648.

The previous prime is 12990493. The next prime is 12990503. The reversal of 12990502 is 20509921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990503) 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, 7038 + ... + 8689.

It is an arithmetic number, because the mean of its divisors is an integer number (1415520).

Almost surely, 2^12990502 is an apocalyptic number.

12990502 is a deficient number, since it is larger than the sum of its proper divisors (9657818).

12990502 is a wasteful number, since it uses less digits than its factorization.

12990502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15795.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 12990502 is about 3604.2338991802. The cubic root of 12990502 is about 235.0761907772.

The spelling of 12990502 in words is "twelve million, nine hundred ninety thousand, five hundred two".