13904336 has 10 divisors (see below), whose sum is σ = 26939682. Its totient is φ = 6952160.

The previous prime is 13904323. The next prime is 13904347. The reversal of 13904336 is 63340931.

It can be written as a sum of positive squares in only one way, i.e., 8410000 + 5494336 = 2900^2 + 2344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13904299 and 13904308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434495 + ... + 434526.

Almost surely, 2^13904336 is an apocalyptic number.

13904336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13904336 is a deficient number, since it is larger than the sum of its proper divisors (13035346).

13904336 is an equidigital number, since it uses as much as digits as its factorization.

13904336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869029 (or 869023 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 13904336 is about 3728.8518340100. The cubic root of 13904336 is about 240.4640097250.

The spelling of 13904336 in words is "thirteen million, nine hundred four thousand, three hundred thirty-six".