13883731 has 2 divisors, whose sum is σ = 13883732. Its totient is φ = 13883730.

The previous prime is 13883719. The next prime is 13883759. The reversal of 13883731 is 13738831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13883731 - 2⁷ = 13883603 is a prime.

It is a super-2 number, since 2×13883731² = 385515972960722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13883761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6941865 + 6941866.

It is an arithmetic number, because the mean of its divisors is an integer number (6941866).

Almost surely, 2^13883731 is an apocalyptic number.

13883731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13883731 is an equidigital number, since it uses as much as digits as its factorization.

13883731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 13883731 is about 3726.0878948302. The cubic root of 13883731 is about 240.3451688482.

The spelling of 13883731 in words is "thirteen million, eight hundred eighty-three thousand, seven hundred thirty-one".