13937091 has 16 divisors (see below), whose sum is σ = 21451008. Its totient is φ = 7884000.

The previous prime is 13937083. The next prime is 13937137. The reversal of 13937091 is 19073931.

13937091 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13937091 - 2³ = 13937083 is a prime.

13937091 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (13937041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (1340688).

Almost surely, 2^13937091 is an apocalyptic number.

13937091 is a deficient number, since it is larger than the sum of its proper divisors (7513917).

13937091 is a wasteful number, since it uses less digits than its factorization.

13937091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 13937091 is about 3733.2413530336. The cubic root of 13937091 is about 240.6526852049.

The spelling of 13937091 in words is "thirteen million, nine hundred thirty-seven thousand, ninety-one".