13523899 has 2 divisors, whose sum is σ = 13523900. Its totient is φ = 13523898.

The previous prime is 13523897. The next prime is 13523903. The reversal of 13523899 is 99832531.

13523899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13523899 - 2¹ = 13523897 is a prime.

Together with 13523897, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13523897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761949 + 6761950.

It is an arithmetic number, because the mean of its divisors is an integer number (6761950).

Almost surely, 2^13523899 is an apocalyptic number.

13523899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523899 is an equidigital number, since it uses as much as digits as its factorization.

13523899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 13523899 is about 3677.4854180540. The cubic root of 13523899 is about 238.2505834729.

The spelling of 13523899 in words is "thirteen million, five hundred twenty-three thousand, eight hundred ninety-nine".