11459921 has 8 divisors (see below), whose sum is σ = 13237344. Its totient is φ = 9805120.

The previous prime is 11459909. The next prime is 11459923. The reversal of 11459921 is 12995411.

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

It is a cyclic number.

It is not a de Polignac number, because 11459921 - 2⁶ = 11459857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11459923) 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, 30455 + ... + 30828.

It is an arithmetic number, because the mean of its divisors is an integer number (1654668).

Almost surely, 2^11459921 is an apocalyptic number.

11459921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11459921 is a deficient number, since it is larger than the sum of its proper divisors (1777423).

11459921 is a wasteful number, since it uses less digits than its factorization.

11459921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61311.

The product of its digits is 3240, while the sum is 32.

The square root of 11459921 is about 3385.2505077173. The cubic root of 11459921 is about 225.4553478188.

The spelling of 11459921 in words is "eleven million, four hundred fifty-nine thousand, nine hundred twenty-one".