12740974 has 4 divisors (see below), whose sum is σ = 19111464. Its totient is φ = 6370486.

The previous prime is 12740971. The next prime is 12740977. The reversal of 12740974 is 47904721.

12740974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47904721 = 3119 ⋅15359.

It is an interprime number because it is at equal distance from previous prime (12740971) and next prime (12740977).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3185242 + ... + 3185245.

It is an arithmetic number, because the mean of its divisors is an integer number (4777866).

Almost surely, 2^12740974 is an apocalyptic number.

12740974 is a deficient number, since it is larger than the sum of its proper divisors (6370490).

12740974 is an equidigital number, since it uses as much as digits as its factorization.

12740974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370489.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 12740974 is about 3569.4500977041. The cubic root of 12740974 is about 233.5612960327.

The spelling of 12740974 in words is "twelve million, seven hundred forty thousand, nine hundred seventy-four".