13966804 has 12 divisors (see below), whose sum is σ = 24843028. Its totient is φ = 6868800.

The previous prime is 13966793. The next prime is 13966807. The reversal of 13966804 is 40866931.

It can be written as a sum of positive squares in 2 ways, for example, as 1435204 + 12531600 = 1198^2 + 3540^2 .

It is a super-2 number, since 2×13966804² = 390143227948832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13966807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28377 + ... + 28864.

Almost surely, 2^13966804 is an apocalyptic number.

It is an amenable number.

13966804 is a deficient number, since it is larger than the sum of its proper divisors (10876224).

13966804 is a wasteful number, since it uses less digits than its factorization.

13966804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57306 (or 57304 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 13966804 is about 3737.2187519598. The cubic root of 13966804 is about 240.8235826030.

The spelling of 13966804 in words is "thirteen million, nine hundred sixty-six thousand, eight hundred four".