12971674 has 4 divisors (see below), whose sum is σ = 19457514. Its totient is φ = 6485836.

The previous prime is 12971657. The next prime is 12971677. The reversal of 12971674 is 47617921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47617921 = 13 ⋅3662917.

It can be written as a sum of positive squares in only one way, i.e., 6796449 + 6175225 = 2607^2 + 2485^2 .

It is not an unprimeable number, because it can be changed into a prime (12971677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3242917 + ... + 3242920.

Almost surely, 2^12971674 is an apocalyptic number.

12971674 is a deficient number, since it is larger than the sum of its proper divisors (6485840).

12971674 is an equidigital number, since it uses as much as digits as its factorization.

12971674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485839.

The product of its digits is 21168, while the sum is 37.

The square root of 12971674 is about 3601.6210239280. The cubic root of 12971674 is about 234.9625653363.

The spelling of 12971674 in words is "twelve million, nine hundred seventy-one thousand, six hundred seventy-four".