11456731 has 16 divisors (see below), whose sum is σ = 13597920. Its totient is φ = 9515520.

The previous prime is 11456729. The next prime is 11456741. The reversal of 11456731 is 13765411.

It is a cyclic number.

It is not a de Polignac number, because 11456731 - 2¹ = 11456729 is a prime.

It is a super-2 number, since 2×11456731² = 262513370412722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11456731.

It is not an unprimeable number, because it can be changed into a prime (11456741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15805 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (849870).

Almost surely, 2^11456731 is an apocalyptic number.

11456731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11456731 is a deficient number, since it is larger than the sum of its proper divisors (2141189).

11456731 is a wasteful number, since it uses less digits than its factorization.

11456731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its digits is 2520, while the sum is 28.

The square root of 11456731 is about 3384.7793133379. The cubic root of 11456731 is about 225.4344265198.

The spelling of 11456731 in words is "eleven million, four hundred fifty-six thousand, seven hundred thirty-one".