12337921 has 8 divisors (see below), whose sum is σ = 12610304. Its totient is φ = 12067920.

The previous prime is 12337901. The next prime is 12337939. The reversal of 12337921 is 12973321.

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 12337921 - 2⁵ = 12337889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12337921.

It is not an unprimeable number, because it can be changed into a prime (12337901) 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, 13150 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (1576288).

Almost surely, 2^12337921 is an apocalyptic number.

It is an amenable number.

12337921 is a deficient number, since it is larger than the sum of its proper divisors (272383).

12337921 is an equidigital number, since it uses as much as digits as its factorization.

12337921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its digits is 2268, while the sum is 28.

The square root of 12337921 is about 3512.5376866306. The cubic root of 12337921 is about 231.0720026914.

The spelling of 12337921 in words is "twelve million, three hundred thirty-seven thousand, nine hundred twenty-one".