11394979 has 4 divisors (see below), whose sum is σ = 11412880. Its totient is φ = 11377080.

The previous prime is 11394967. The next prime is 11395031. The reversal of 11394979 is 97949311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11394979 - 2²³ = 3006371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11394379) 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, 7959 + ... + 9280.

It is an arithmetic number, because the mean of its divisors is an integer number (2853220).

Almost surely, 2^11394979 is an apocalyptic number.

11394979 is a deficient number, since it is larger than the sum of its proper divisors (17901).

11394979 is an equidigital number, since it uses as much as digits as its factorization.

11394979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17900.

The product of its digits is 61236, while the sum is 43.

The square root of 11394979 is about 3375.6449754084. The cubic root of 11394979 is about 225.0286646608.

The spelling of 11394979 in words is "eleven million, three hundred ninety-four thousand, nine hundred seventy-nine".