13528507 has 2 divisors, whose sum is σ = 13528508. Its totient is φ = 13528506.

The previous prime is 13528499. The next prime is 13528517. The reversal of 13528507 is 70582531.

It is a weak prime.

It is an emirp because it is prime and its reverse (70582531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13528507 - 2³ = 13528499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13528517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6764253 + 6764254.

It is an arithmetic number, because the mean of its divisors is an integer number (6764254).

Almost surely, 2^13528507 is an apocalyptic number.

13528507 is a deficient number, since it is larger than the sum of its proper divisors (1).

13528507 is an equidigital number, since it uses as much as digits as its factorization.

13528507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 13528507 is about 3678.1118797557. Note that the first 3 decimals coincide. The cubic root of 13528507 is about 238.2776401184.

The spelling of 13528507 in words is "thirteen million, five hundred twenty-eight thousand, five hundred seven".