11730731 has 8 divisors (see below), whose sum is σ = 12538800. Its totient is φ = 10935808.

The previous prime is 11730721. The next prime is 11730749. The reversal of 11730731 is 13703711.

11730731 is nontrivially palindromic in base 16.

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 11730731 - 2²² = 7536427 is a prime.

It is a super-2 number, since 2×11730731² = 275220099588722, 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 = 11730697 and 11730706.

It is not an unprimeable number, because it can be changed into a prime (11730721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1567350).

Almost surely, 2^11730731 is an apocalyptic number.

11730731 is a deficient number, since it is larger than the sum of its proper divisors (808069).

11730731 is a wasteful number, since it uses less digits than its factorization.

11730731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 11730731 is about 3425.0154744176. The cubic root of 11730731 is about 227.2174554610.

The spelling of 11730731 in words is "eleven million, seven hundred thirty thousand, seven hundred thirty-one".