13382731 has 8 divisors (see below), whose sum is σ = 13860224. Its totient is φ = 12908160.

The previous prime is 13382683. The next prime is 13382737. The reversal of 13382731 is 13728331.

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 13382731 - 2¹⁷ = 13251659 is a prime.

It is a super-2 number, since 2×13382731² = 358194978036722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13382731.

It is not an unprimeable number, because it can be changed into a prime (13382737) 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 7 ways as a sum of consecutive naturals, for example, 12925 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (1732528).

Almost surely, 2^13382731 is an apocalyptic number.

13382731 is a deficient number, since it is larger than the sum of its proper divisors (477493).

13382731 is an equidigital number, since it uses as much as digits as its factorization.

13382731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461.

The product of its digits is 3024, while the sum is 28.

The square root of 13382731 is about 3658.2415174507. The cubic root of 13382731 is about 237.4186964549.

The spelling of 13382731 in words is "thirteen million, three hundred eighty-two thousand, seven hundred thirty-one".