12685474 has 4 divisors (see below), whose sum is σ = 19028214. Its totient is φ = 6342736.

The previous prime is 12685459. The next prime is 12685481. The reversal of 12685474 is 47458621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47458621 = 7 ⋅6779803.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 3775249 = 2985^2 + 1943^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171367 + ... + 3171370.

Almost surely, 2^12685474 is an apocalyptic number.

12685474 is a deficient number, since it is larger than the sum of its proper divisors (6342740).

12685474 is an equidigital number, since it uses as much as digits as its factorization.

12685474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342739.

The product of its digits is 53760, while the sum is 37.

The square root of 12685474 is about 3561.6673061924. The cubic root of 12685474 is about 233.2216694732.

The spelling of 12685474 in words is "twelve million, six hundred eighty-five thousand, four hundred seventy-four".