12947874 has 16 divisors (see below), whose sum is σ = 25948512. Its totient is φ = 4307168.

The previous prime is 12947867. The next prime is 12947881. The reversal of 12947874 is 47874921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12947867) and next prime (12947881).

It is a super-2 number, since 2×12947874² = 335294882239752, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (1621782).

Almost surely, 2^12947874 is an apocalyptic number.

12947874 is an abundant number, since it is smaller than the sum of its proper divisors (13000638).

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

12947874 is a wasteful number, since it uses less digits than its factorization.

12947874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401.

The product of its digits is 112896, while the sum is 42.

The square root of 12947874 is about 3598.3154392021. The cubic root of 12947874 is about 234.8187768369.

The spelling of 12947874 in words is "twelve million, nine hundred forty-seven thousand, eight hundred seventy-four".