13331404 has 12 divisors (see below), whose sum is σ = 23725800. Its totient is φ = 6552608.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331404 is 40413331.

It is a super-2 number, since 2×13331404² = 355452665222432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28009 + ... + 28480.

It is an arithmetic number, because the mean of its divisors is an integer number (1977150).

Almost surely, 2^13331404 is an apocalyptic number.

It is an amenable number.

13331404 is a deficient number, since it is larger than the sum of its proper divisors (10394396).

13331404 is a wasteful number, since it uses less digits than its factorization.

13331404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56552 (or 56550 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13331404 is about 3651.2195222966. The cubic root of 13331404 is about 237.1147823596.

Adding to 13331404 its reverse (40413331), we get a palindrome (53744735).

The spelling of 13331404 in words is "thirteen million, three hundred thirty-one thousand, four hundred four".