13520601 has 20 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 8883000.

The previous prime is 13520599. The next prime is 13520603. The reversal of 13520601 is 10602531.

13520601 is a `hidden beast` number, since 13 + 52 + 0 + 601 = 666.

It is an interprime number because it is at equal distance from previous prime (13520599) and next prime (13520603).

It is not a de Polignac number, because 13520601 - 2¹ = 13520599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13520603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4576 + ... + 6926.

Almost surely, 2^13520601 is an apocalyptic number.

It is an amenable number.

13520601 is a deficient number, since it is larger than the sum of its proper divisors (6970023).

13520601 is an equidigital number, since it uses as much as digits as its factorization.

13520601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13520601 is about 3677.0369864879. The cubic root of 13520601 is about 238.2312149386.

It can be divided in two parts, 135 and 20601, that added together give a 4-th power (20736 = 12⁴).

The spelling of 13520601 in words is "thirteen million, five hundred twenty thousand, six hundred one".