13883931 has 12 divisors (see below), whose sum is σ = 20089680. Its totient is φ = 9239760.

The previous prime is 13883923. The next prime is 13883957. The reversal of 13883931 is 13938831.

It is not a de Polignac number, because 13883931 - 2³ = 13883923 is a prime.

It is a super-2 number, since 2×13883931² = 385527080025522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13883921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6450 + ... + 8328.

It is an arithmetic number, because the mean of its divisors is an integer number (1674140).

Almost surely, 2^13883931 is an apocalyptic number.

13883931 is a deficient number, since it is larger than the sum of its proper divisors (6205749).

13883931 is a wasteful number, since it uses less digits than its factorization.

13883931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 2703 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13883931 is about 3726.1147325331. The cubic root of 13883931 is about 240.3463229281.

The spelling of 13883931 in words is "thirteen million, eight hundred eighty-three thousand, nine hundred thirty-one".