11979454 has 16 divisors (see below), whose sum is σ = 18948096. Its totient is φ = 5671800.

The previous prime is 11979439. The next prime is 11979463. The reversal of 11979454 is 45497911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (1184256).

Almost surely, 2^11979454 is an apocalyptic number.

11979454 is a deficient number, since it is larger than the sum of its proper divisors (6968642).

11979454 is a wasteful number, since it uses less digits than its factorization.

11979454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191.

The product of its digits is 45360, while the sum is 40.

The square root of 11979454 is about 3461.1347850091. The cubic root of 11979454 is about 228.8121110962.

The spelling of 11979454 in words is "eleven million, nine hundred seventy-nine thousand, four hundred fifty-four".