12947604 has 12 divisors (see below), whose sum is σ = 30211104. Its totient is φ = 4315864.

The previous prime is 12947587. The next prime is 12947621. The reversal of 12947604 is 40674921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12947587) and next prime (12947621).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539472 + ... + 539495.

It is an arithmetic number, because the mean of its divisors is an integer number (2517592).

Almost surely, 2^12947604 is an apocalyptic number.

It is an amenable number.

12947604 is an abundant number, since it is smaller than the sum of its proper divisors (17263500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12947604 is a wasteful number, since it uses less digits than its factorization.

12947604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078974 (or 1078972 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12947604 is about 3598.2779214508. The cubic root of 12947604 is about 234.8171446125.

The spelling of 12947604 in words is "twelve million, nine hundred forty-seven thousand, six hundred four".