13652399 has 2 divisors, whose sum is σ = 13652400. Its totient is φ = 13652398.

The previous prime is 13652383. The next prime is 13652437. The reversal of 13652399 is 99325631.

13652399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13652437) can be obtained adding 13652399 to its sum of digits (38).

It is a weak prime.

It is an emirp because it is prime and its reverse (99325631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13652399 - 2⁴ = 13652383 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13652329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6826199 + 6826200.

It is an arithmetic number, because the mean of its divisors is an integer number (6826200).

Almost surely, 2^13652399 is an apocalyptic number.

13652399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13652399 is an equidigital number, since it uses as much as digits as its factorization.

13652399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 38.

The square root of 13652399 is about 3694.9152899627. The cubic root of 13652399 is about 239.0028010386.

The spelling of 13652399 in words is "thirteen million, six hundred fifty-two thousand, three hundred ninety-nine".