13527513 has 8 divisors (see below), whose sum is σ = 20040800. Its totient is φ = 9018324.

The previous prime is 13527511. The next prime is 13527551. The reversal of 13527513 is 31572531.

It is not a de Polignac number, because 13527513 - 2¹ = 13527511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 501019 = 13527513 / (1 + 3 + 5 + 2 + 7 + 5 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13527511) 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, 250483 + ... + 250536.

It is an arithmetic number, because the mean of its divisors is an integer number (2505100).

Almost surely, 2^13527513 is an apocalyptic number.

It is an amenable number.

13527513 is a deficient number, since it is larger than the sum of its proper divisors (6513287).

13527513 is an equidigital number, since it uses as much as digits as its factorization.

13527513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501028 (or 501022 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 13527513 is about 3677.9767535970. The cubic root of 13527513 is about 238.2718042003.

The spelling of 13527513 in words is "thirteen million, five hundred twenty-seven thousand, five hundred thirteen".