11579997 has 16 divisors (see below), whose sum is σ = 18139968. Its totient is φ = 6478080.

The previous prime is 11579993. The next prime is 11580011. The reversal of 11579997 is 79997511.

It is a happy number.

11579997 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11579997 - 2² = 11579993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11579993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13068 + ... + 13925.

It is an arithmetic number, because the mean of its divisors is an integer number (1133748).

Almost surely, 2^11579997 is an apocalyptic number.

It is an amenable number.

11579997 is a deficient number, since it is larger than the sum of its proper divisors (6559971).

11579997 is a wasteful number, since it uses less digits than its factorization.

11579997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27020.

The product of its digits is 178605, while the sum is 48.

The square root of 11579997 is about 3402.9394646394. The cubic root of 11579997 is about 226.2400469763.

The spelling of 11579997 in words is "eleven million, five hundred seventy-nine thousand, nine hundred ninety-seven".