13536401 has 4 divisors (see below), whose sum is σ = 13553904. Its totient is φ = 13518900.

The previous prime is 13536371. The next prime is 13536409. The reversal of 13536401 is 10463531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13536401 - 2⁶ = 13536337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13536409) 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 3 ways as a sum of consecutive naturals, for example, 7535 + ... + 9156.

It is an arithmetic number, because the mean of its divisors is an integer number (3388476).

Almost surely, 2^13536401 is an apocalyptic number.

It is an amenable number.

13536401 is a deficient number, since it is larger than the sum of its proper divisors (17503).

13536401 is an equidigital number, since it uses as much as digits as its factorization.

13536401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17502.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13536401 is about 3679.1848281922. The cubic root of 13536401 is about 238.3239767899.

Adding to 13536401 its reverse (10463531), we get a palindrome (23999932).

The spelling of 13536401 in words is "thirteen million, five hundred thirty-six thousand, four hundred one".