11654979 has 16 divisors (see below), whose sum is σ = 18805248. Its totient is φ = 6268032.

The previous prime is 11654971. The next prime is 11654983. The reversal of 11654979 is 97945611.

It is not a de Polignac number, because 11654979 - 2³ = 11654971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11654979.

It is not an unprimeable number, because it can be changed into a prime (11654971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15967 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (1175328).

Almost surely, 2^11654979 is an apocalyptic number.

11654979 is a deficient number, since it is larger than the sum of its proper divisors (7150269).

11654979 is a wasteful number, since it uses less digits than its factorization.

11654979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32674.

The product of its digits is 68040, while the sum is 42.

The square root of 11654979 is about 3413.9389273975. The cubic root of 11654979 is about 226.7273081212.

The spelling of 11654979 in words is "eleven million, six hundred fifty-four thousand, nine hundred seventy-nine".