11418979 has 16 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 9372960.

The previous prime is 11418973. The next prime is 11418983. The reversal of 11418979 is 97981411.

It is a cyclic number.

It is not a de Polignac number, because 11418979 - 2⁷ = 11418851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11418973) 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, 5872 + ... + 7570.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^11418979 is an apocalyptic number.

11418979 is a deficient number, since it is larger than the sum of its proper divisors (2289821).

11418979 is a wasteful number, since it uses less digits than its factorization.

11418979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its digits is 18144, while the sum is 40.

The square root of 11418979 is about 3379.1979817702. The cubic root of 11418979 is about 225.1865383101.

The spelling of 11418979 in words is "eleven million, four hundred eighteen thousand, nine hundred seventy-nine".