11207979 has 6 divisors (see below), whose sum is σ = 16189316. Its totient is φ = 7471980.

The previous prime is 11207971. The next prime is 11207983. The reversal of 11207979 is 97970211.

It is not a de Polignac number, because 11207979 - 2³ = 11207971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11207971) 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 5 ways as a sum of consecutive naturals, for example, 622657 + ... + 622674.

Almost surely, 2^11207979 is an apocalyptic number.

11207979 is a deficient number, since it is larger than the sum of its proper divisors (4981337).

11207979 is a wasteful number, since it uses less digits than its factorization.

11207979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245337 (or 1245334 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 11207979 is about 3347.8319850315. The cubic root of 11207979 is about 223.7909068701.

The spelling of 11207979 in words is "eleven million, two hundred seven thousand, nine hundred seventy-nine".