13891337 has 8 divisors (see below), whose sum is σ = 14656800. Its totient is φ = 13129344.

The previous prime is 13891327. The next prime is 13891357. The reversal of 13891337 is 73319831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13891337 - 2⁸ = 13891081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13891297 and 13891306.

It is not an unprimeable number, because it can be changed into a prime (13891327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14489 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (1832100).

Almost surely, 2^13891337 is an apocalyptic number.

It is an amenable number.

13891337 is a deficient number, since it is larger than the sum of its proper divisors (765463).

13891337 is an equidigital number, since it uses as much as digits as its factorization.

13891337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its digits is 13608, while the sum is 35.

The square root of 13891337 is about 3727.1083965992. The cubic root of 13891337 is about 240.3890507036.

The spelling of 13891337 in words is "thirteen million, eight hundred ninety-one thousand, three hundred thirty-seven".