13632961 has 8 divisors (see below), whose sum is σ = 13976064. Its totient is φ = 13292160.

The previous prime is 13632947. The next prime is 13632967. The reversal of 13632961 is 16923631.

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 13632961 - 2⁹ = 13632449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13632967) 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, 19921 + ... + 20593.

It is an arithmetic number, because the mean of its divisors is an integer number (1747008).

Almost surely, 2^13632961 is an apocalyptic number.

It is an amenable number.

13632961 is a deficient number, since it is larger than the sum of its proper divisors (343103).

13632961 is an equidigital number, since it uses as much as digits as its factorization.

13632961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151.

The product of its digits is 5832, while the sum is 31.

The square root of 13632961 is about 3692.2839814944. The cubic root of 13632961 is about 238.8893181011.

The spelling of 13632961 in words is "thirteen million, six hundred thirty-two thousand, nine hundred sixty-one".