13404392 has 16 divisors (see below), whose sum is σ = 25210500. Its totient is φ = 6681600.

The previous prime is 13404383. The next prime is 13404403. The reversal of 13404392 is 29340431.

It can be written as a sum of positive squares in 2 ways, for example, as 13060996 + 343396 = 3614^2 + 586^2 .

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, 392 + ... + 5192.

Almost surely, 2^13404392 is an apocalyptic number.

It is an amenable number.

13404392 is a deficient number, since it is larger than the sum of its proper divisors (11806108).

13404392 is a wasteful number, since it uses less digits than its factorization.

13404392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13404392 is about 3661.2008958810. The cubic root of 13404392 is about 237.5467210023.

The spelling of 13404392 in words is "thirteen million, four hundred four thousand, three hundred ninety-two".