13633401 has 8 divisors (see below), whose sum is σ = 18204480. Its totient is φ = 9075632.

The previous prime is 13633391. The next prime is 13633421. The reversal of 13633401 is 10433631.

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 13633401 - 2⁵ = 13633369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13633421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (2275560).

Almost surely, 2^13633401 is an apocalyptic number.

It is an amenable number.

13633401 is a deficient number, since it is larger than the sum of its proper divisors (4571079).

13633401 is an equidigital number, since it uses as much as digits as its factorization.

13633401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 13633401 is about 3692.3435647296. The cubic root of 13633401 is about 238.8918881021.

The spelling of 13633401 in words is "thirteen million, six hundred thirty-three thousand, four hundred one".