13322961 has 24 divisors (see below), whose sum is σ = 20180160. Its totient is φ = 8782992.

The previous prime is 13322927. The next prime is 13322993. The reversal of 13322961 is 16922331.

13322961 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13322961 - 2¹⁰ = 13321937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (15322961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26236 + ... + 26738.

It is an arithmetic number, because the mean of its divisors is an integer number (840840).

Almost surely, 2^13322961 is an apocalyptic number.

It is an amenable number.

13322961 is a deficient number, since it is larger than the sum of its proper divisors (6857199).

13322961 is an equidigital number, since it uses as much as digits as its factorization.

13322961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 615 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13322961 is about 3650.0631501386. The cubic root of 13322961 is about 237.0647155429.

The spelling of 13322961 in words is "thirteen million, three hundred twenty-two thousand, nine hundred sixty-one".