13766404 has 12 divisors (see below), whose sum is σ = 24123484. Its totient is φ = 6873984.

The previous prime is 13766381. The next prime is 13766429. The reversal of 13766404 is 40466731.

It can be written as a sum of positive squares in 2 ways, for example, as 806404 + 12960000 = 898^2 + 3600^2 .

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, 1912 + ... + 5584.

Almost surely, 2^13766404 is an apocalyptic number.

It is an amenable number.

13766404 is a deficient number, since it is larger than the sum of its proper divisors (10357080).

13766404 is a wasteful number, since it uses less digits than its factorization.

13766404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614 (or 4612 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 13766404 is about 3710.3104991362. The cubic root of 13766404 is about 239.6662258417. Note that the first 3 decimals are identical.

The spelling of 13766404 in words is "thirteen million, seven hundred sixty-six thousand, four hundred four".