13960731 has 4 divisors (see below), whose sum is σ = 18614312. Its totient is φ = 9307152.

The previous prime is 13960721. The next prime is 13960741. The reversal of 13960731 is 13706931.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13960721) and next prime (13960741).

It is not a de Polignac number, because 13960731 - 2²³ = 5572123 is a prime.

It is a super-2 number, since 2×13960731² = 389804020108722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13960721) 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, 2326786 + ... + 2326791.

It is an arithmetic number, because the mean of its divisors is an integer number (4653578).

Almost surely, 2^13960731 is an apocalyptic number.

13960731 is a deficient number, since it is larger than the sum of its proper divisors (4653581).

13960731 is an equidigital number, since it uses as much as digits as its factorization.

13960731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653580.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 13960731 is about 3736.4061610055. The cubic root of 13960731 is about 240.7886728354.

The spelling of 13960731 in words is "thirteen million, nine hundred sixty thousand, seven hundred thirty-one".