12758474 has 4 divisors (see below), whose sum is σ = 19137714. Its totient is φ = 6379236.

The previous prime is 12758461. The next prime is 12758497. The reversal of 12758474 is 47485721.

12758474 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: 47485721 = 53 ⋅895957.

It can be written as a sum of positive squares in only one way, i.e., 8369449 + 4389025 = 2893^2 + 2095^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189617 + ... + 3189620.

Almost surely, 2^12758474 is an apocalyptic number.

12758474 is a deficient number, since it is larger than the sum of its proper divisors (6379240).

12758474 is an equidigital number, since it uses as much as digits as its factorization.

12758474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379239.

The product of its digits is 62720, while the sum is 38.

The square root of 12758474 is about 3571.9006145188. The cubic root of 12758474 is about 233.6681809214.

The spelling of 12758474 in words is "twelve million, seven hundred fifty-eight thousand, four hundred seventy-four".