13976331 has 4 divisors (see below), whose sum is σ = 18635112. Its totient is φ = 9317552.

The previous prime is 13976323. The next prime is 13976351. The reversal of 13976331 is 13367931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13367931 = 3 ⋅4455977.

It is a cyclic number.

It is not a de Polignac number, because 13976331 - 2³ = 13976323 is a prime.

It is a super-2 number, since 2×13976331² = 390675656443122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13976292 and 13976301.

It is not an unprimeable number, because it can be changed into a prime (13976321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329386 + ... + 2329391.

It is an arithmetic number, because the mean of its divisors is an integer number (4658778).

Almost surely, 2^13976331 is an apocalyptic number.

13976331 is a deficient number, since it is larger than the sum of its proper divisors (4658781).

13976331 is an equidigital number, since it uses as much as digits as its factorization.

13976331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658780.

The product of its digits is 10206, while the sum is 33.

The square root of 13976331 is about 3738.4931456404. The cubic root of 13976331 is about 240.8783268094.

Subtracting from 13976331 its reverse (13367931), we obtain a square (608400 = 780²).

The spelling of 13976331 in words is "thirteen million, nine hundred seventy-six thousand, three hundred thirty-one".