11879997 has 32 divisors (see below), whose sum is σ = 17656320. Its totient is φ = 7076160.

The previous prime is 11879993. The next prime is 11879999. The reversal of 11879997 is 79997811.

11879997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11879997 - 2² = 11879993 is a prime.

It is a super-2 number, since 2×11879997² = 282268657440018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11879993) 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 31 ways as a sum of consecutive naturals, for example, 90622 + ... + 90752.

It is an arithmetic number, because the mean of its divisors is an integer number (551760).

Almost surely, 2^11879997 is an apocalyptic number.

It is an amenable number.

11879997 is a deficient number, since it is larger than the sum of its proper divisors (5776323).

11879997 is a wasteful number, since it uses less digits than its factorization.

11879997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its digits is 285768, while the sum is 51.

The square root of 11879997 is about 3446.7371527286. The cubic root of 11879997 is about 228.1771284389.

The spelling of 11879997 in words is "eleven million, eight hundred seventy-nine thousand, nine hundred ninety-seven".