13907216 has 20 divisors (see below), whose sum is σ = 27041052. Its totient is φ = 6928896.

The previous prime is 13907167. The next prime is 13907219. The reversal of 13907216 is 61270931.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 13104400 = 896^2 + 3620^2 .

It is not an unprimeable number, because it can be changed into a prime (13907219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620 + ... + 6396.

Almost surely, 2^13907216 is an apocalyptic number.

13907216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13907216 is a deficient number, since it is larger than the sum of its proper divisors (13133836).

13907216 is a wasteful number, since it uses less digits than its factorization.

13907216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 13907216 is about 3729.2379918691. The cubic root of 13907216 is about 240.4806109861.

The spelling of 13907216 in words is "thirteen million, nine hundred seven thousand, two hundred sixteen".