13031474 has 16 divisors (see below), whose sum is σ = 20189400. Its totient is φ = 6303744.

The previous prime is 13031467. The next prime is 13031479. The reversal of 13031474 is 47413031.

It can be written as a sum of positive squares in 4 ways, for example, as 13010449 + 21025 = 3607^2 + 145^2 .

It is a super-2 number, since 2×13031474² = 339638629225352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13031479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16562 + ... + 17330.

Almost surely, 2^13031474 is an apocalyptic number.

13031474 is a deficient number, since it is larger than the sum of its proper divisors (7157926).

13031474 is a wasteful number, since it uses less digits than its factorization.

13031474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13031474 is about 3609.9132953577. The cubic root of 13031474 is about 235.3230745759.

The spelling of 13031474 in words is "thirteen million, thirty-one thousand, four hundred seventy-four".