11886913 has 4 divisors (see below), whose sum is σ = 12512560. Its totient is φ = 11261268.

The previous prime is 11886899. The next prime is 11886923. The reversal of 11886913 is 31968811.

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 a de Polignac number, because none of the positive numbers 2^k-11886913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11886923) 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, 312795 + ... + 312832.

It is an arithmetic number, because the mean of its divisors is an integer number (3128140).

Almost surely, 2^11886913 is an apocalyptic number.

It is an amenable number.

11886913 is a deficient number, since it is larger than the sum of its proper divisors (625647).

11886913 is an equidigital number, since it uses as much as digits as its factorization.

11886913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625646.

The product of its digits is 10368, while the sum is 37.

The square root of 11886913 is about 3447.7402744406. The cubic root of 11886913 is about 228.2213980037.

The spelling of 11886913 in words is "eleven million, eight hundred eighty-six thousand, nine hundred thirteen".