11979154 has 16 divisors (see below), whose sum is σ = 19873440. Its totient is φ = 5369760.

The previous prime is 11979151. The next prime is 11979161. The reversal of 11979154 is 45197911.

11979154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11979151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (1242090).

Almost surely, 2^11979154 is an apocalyptic number.

11979154 is a deficient number, since it is larger than the sum of its proper divisors (7894286).

11979154 is a wasteful number, since it uses less digits than its factorization.

11979154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545.

The product of its digits is 11340, while the sum is 37.

The square root of 11979154 is about 3461.0914463504. The cubic root of 11979154 is about 228.8102010424.

The spelling of 11979154 in words is "eleven million, nine hundred seventy-nine thousand, one hundred fifty-four".