12631474 has 4 divisors (see below), whose sum is σ = 18947214. Its totient is φ = 6315736.

The previous prime is 12631471. The next prime is 12631481. The reversal of 12631474 is 47413621.

12631474 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: 47413621 = 419 ⋅113159.

It can be written as a sum of positive squares in only one way, i.e., 11950849 + 680625 = 3457^2 + 825^2 .

It is not an unprimeable number, because it can be changed into a prime (12631471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157867 + ... + 3157870.

Almost surely, 2^12631474 is an apocalyptic number.

12631474 is a deficient number, since it is larger than the sum of its proper divisors (6315740).

12631474 is an equidigital number, since it uses as much as digits as its factorization.

12631474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315739.

The product of its digits is 4032, while the sum is 28.

The square root of 12631474 is about 3554.0785022281. The cubic root of 12631474 is about 232.8902698820.

The spelling of 12631474 in words is "twelve million, six hundred thirty-one thousand, four hundred seventy-four".