11406979 has 4 divisors (see below), whose sum is σ = 11685240. Its totient is φ = 11128720.

The previous prime is 11406971. The next prime is 11406991. The reversal of 11406979 is 97960411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97960411 = 3511 ⋅27901.

It is a cyclic number.

It is not a de Polignac number, because 11406979 - 2³ = 11406971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11406971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139069 + ... + 139150.

It is an arithmetic number, because the mean of its divisors is an integer number (2921310).

Almost surely, 2^11406979 is an apocalyptic number.

11406979 is a deficient number, since it is larger than the sum of its proper divisors (278261).

11406979 is an equidigital number, since it uses as much as digits as its factorization.

11406979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278260.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 11406979 is about 3377.4219458042. The cubic root of 11406979 is about 225.1076291656.

The spelling of 11406979 in words is "eleven million, four hundred six thousand, nine hundred seventy-nine".