11999713 has 4 divisors (see below), whose sum is σ = 13090608. Its totient is φ = 10908820.

The previous prime is 11999699. The next prime is 11999719. The reversal of 11999713 is 31799911.

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 11999713 - 2⁵ = 11999681 is a prime.

It is a super-2 number, since 2×11999713² = 287986224164738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11999719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545431 + ... + 545452.

It is an arithmetic number, because the mean of its divisors is an integer number (3272652).

Almost surely, 2^11999713 is an apocalyptic number.

It is an amenable number.

11999713 is a deficient number, since it is larger than the sum of its proper divisors (1090895).

11999713 is a wasteful number, since it uses less digits than its factorization.

11999713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090894.

The product of its digits is 15309, while the sum is 40.

The square root of 11999713 is about 3464.0601900083. The cubic root of 11999713 is about 228.9410233129.

The spelling of 11999713 in words is "eleven million, nine hundred ninety-nine thousand, seven hundred thirteen".