13520541 has 8 divisors (see below), whose sum is σ = 18051264. Its totient is φ = 9001760.

The previous prime is 13520531. The next prime is 13520579. The reversal of 13520541 is 14502531.

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 13520541 - 2⁵ = 13520509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520531) 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, 121 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (2256408).

Almost surely, 2^13520541 is an apocalyptic number.

It is an amenable number.

13520541 is a deficient number, since it is larger than the sum of its proper divisors (4530723).

13520541 is an equidigital number, since it uses as much as digits as its factorization.

13520541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13520541 is about 3677.0288277358. The cubic root of 13520541 is about 238.2308625407.

The spelling of 13520541 in words is "thirteen million, five hundred twenty thousand, five hundred forty-one".