11916458 has 16 divisors (see below), whose sum is σ = 18882720. Its totient is φ = 5624496.

The previous prime is 11916449. The next prime is 11916481. The reversal of 11916458 is 85461911.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20885 + ... + 21447.

It is an arithmetic number, because the mean of its divisors is an integer number (1180170).

Almost surely, 2^11916458 is an apocalyptic number.

11916458 is a deficient number, since it is larger than the sum of its proper divisors (6966262).

11916458 is a wasteful number, since it uses less digits than its factorization.

11916458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its digits is 8640, while the sum is 35.

The square root of 11916458 is about 3452.0223058376. The cubic root of 11916458 is about 228.4103234906.

The spelling of 11916458 in words is "eleven million, nine hundred sixteen thousand, four hundred fifty-eight".