13314731 has 4 divisors (see below), whose sum is σ = 13336464. Its totient is φ = 13293000.

The previous prime is 13314703. The next prime is 13314751. The reversal of 13314731 is 13741331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13741331 = 29 ⋅473839.

It is a cyclic number.

It is not a de Polignac number, because 13314731 - 2¹⁸ = 13052587 is a prime.

It is a super-2 number, since 2×13314731² = 354564123204722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13314697 and 13314706.

It is not an unprimeable number, because it can be changed into a prime (13314751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9920 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (3334116).

Almost surely, 2^13314731 is an apocalyptic number.

13314731 is a deficient number, since it is larger than the sum of its proper divisors (21733).

13314731 is an equidigital number, since it uses as much as digits as its factorization.

13314731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21732.

The product of its digits is 756, while the sum is 23.

The square root of 13314731 is about 3648.9355982259. The cubic root of 13314731 is about 237.0158914493.

The spelling of 13314731 in words is "thirteen million, three hundred fourteen thousand, seven hundred thirty-one".