11379921 has 8 divisors (see below), whose sum is σ = 17340864. Its totient is φ = 6502800.

The previous prime is 11379911. The next prime is 11379947. The reversal of 11379921 is 12997311.

11379921 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11379921 - 2⁵ = 11379889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11379911) 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, 270930 + ... + 270971.

It is an arithmetic number, because the mean of its divisors is an integer number (2167608).

Almost surely, 2^11379921 is an apocalyptic number.

It is an amenable number.

11379921 is a deficient number, since it is larger than the sum of its proper divisors (5960943).

11379921 is an equidigital number, since it uses as much as digits as its factorization.

11379921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541911.

The product of its digits is 3402, while the sum is 33.

The square root of 11379921 is about 3373.4138495002. The cubic root of 11379921 is about 224.9294988993.

The spelling of 11379921 in words is "eleven million, three hundred seventy-nine thousand, nine hundred twenty-one".