13645607 has 2 divisors, whose sum is σ = 13645608. Its totient is φ = 13645606.

The previous prime is 13645589. The next prime is 13645609. The reversal of 13645607 is 70654631.

13645607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (70654631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13645607 - 2⁸ = 13645351 is a prime.

Together with 13645609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13645609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6822803 + 6822804.

It is an arithmetic number, because the mean of its divisors is an integer number (6822804).

Almost surely, 2^13645607 is an apocalyptic number.

13645607 is a deficient number, since it is larger than the sum of its proper divisors (1).

13645607 is an equidigital number, since it uses as much as digits as its factorization.

13645607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 13645607 is about 3693.9960747137. The cubic root of 13645607 is about 238.9631602327.

The spelling of 13645607 in words is "thirteen million, six hundred forty-five thousand, six hundred seven".