13501601 has 4 divisors (see below), whose sum is σ = 13526832. Its totient is φ = 13476372.

The previous prime is 13501597. The next prime is 13501603. The reversal of 13501601 is 10610531.

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 13501601 - 2² = 13501597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13501601.

It is not an unprimeable number, because it can be changed into a prime (13501603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11795 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (3381708).

Almost surely, 2^13501601 is an apocalyptic number.

It is an amenable number.

13501601 is a deficient number, since it is larger than the sum of its proper divisors (25231).

13501601 is an equidigital number, since it uses as much as digits as its factorization.

13501601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25230.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 13501601 is about 3674.4524762201. The cubic root of 13501601 is about 238.1195701235.

The spelling of 13501601 in words is "thirteen million, five hundred one thousand, six hundred one".