12992404 has 12 divisors (see below), whose sum is σ = 22877344. Its totient is φ = 6456024.

The previous prime is 12992381. The next prime is 12992411. The reversal of 12992404 is 40429921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9312 + ... + 10615.

Almost surely, 2^12992404 is an apocalyptic number.

It is an amenable number.

12992404 is a deficient number, since it is larger than the sum of its proper divisors (9884940).

12992404 is a wasteful number, since it uses less digits than its factorization.

12992404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20094 (or 20092 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12992404 is about 3604.4977458725. The cubic root of 12992404 is about 235.0876630845.

The spelling of 12992404 in words is "twelve million, nine hundred ninety-two thousand, four hundred four".