13512601 has 2 divisors, whose sum is σ = 13512602. Its totient is φ = 13512600.

The previous prime is 13512599. The next prime is 13512613. The reversal of 13512601 is 10621531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13286025 + 226576 = 3645^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 13512601 - 2¹ = 13512599 is a prime.

Together with 13512599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13512701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756300 + 6756301.

It is an arithmetic number, because the mean of its divisors is an integer number (6756301).

Almost surely, 2^13512601 is an apocalyptic number.

It is an amenable number.

13512601 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512601 is an equidigital number, since it uses as much as digits as its factorization.

13512601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 13512601 is about 3675.9489931173. The cubic root of 13512601 is about 238.1842193518.

The spelling of 13512601 in words is "thirteen million, five hundred twelve thousand, six hundred one".