12756974 has 4 divisors (see below), whose sum is σ = 19135464. Its totient is φ = 6378486.

The previous prime is 12756967. The next prime is 12756977. The reversal of 12756974 is 47965721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47965721 = 17 ⋅2821513.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189242 + ... + 3189245.

It is an arithmetic number, because the mean of its divisors is an integer number (4783866).

Almost surely, 2^12756974 is an apocalyptic number.

12756974 is a deficient number, since it is larger than the sum of its proper divisors (6378490).

12756974 is an equidigital number, since it uses as much as digits as its factorization.

12756974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378489.

The product of its digits is 105840, while the sum is 41.

The square root of 12756974 is about 3571.6906360994. The cubic root of 12756974 is about 233.6590231907.

The spelling of 12756974 in words is "twelve million, seven hundred fifty-six thousand, nine hundred seventy-four".