11556713 has 4 divisors (see below), whose sum is σ = 13207680. Its totient is φ = 9905748.

The previous prime is 11556709. The next prime is 11556737. The reversal of 11556713 is 31765511.

11556713 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11556713 - 2² = 11556709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11556773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825473 + ... + 825486.

It is an arithmetic number, because the mean of its divisors is an integer number (3301920).

Almost surely, 2^11556713 is an apocalyptic number.

It is an amenable number.

11556713 is a deficient number, since it is larger than the sum of its proper divisors (1650967).

11556713 is an equidigital number, since it uses as much as digits as its factorization.

11556713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650966.

The product of its digits is 3150, while the sum is 29.

The square root of 11556713 is about 3399.5165832806. The cubic root of 11556713 is about 226.0883109595.

The spelling of 11556713 in words is "eleven million, five hundred fifty-six thousand, seven hundred thirteen".