13259923 has 2 divisors, whose sum is σ = 13259924. Its totient is φ = 13259922.

The previous prime is 13259921. The next prime is 13259941. The reversal of 13259923 is 32995231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13259923 - 2¹ = 13259921 is a prime.

Together with 13259921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13259921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6629961 + 6629962.

It is an arithmetic number, because the mean of its divisors is an integer number (6629962).

Almost surely, 2^13259923 is an apocalyptic number.

13259923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13259923 is an equidigital number, since it uses as much as digits as its factorization.

13259923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 13259923 is about 3641.4177184168. The cubic root of 13259923 is about 236.6902312933.

The spelling of 13259923 in words is "thirteen million, two hundred fifty-nine thousand, nine hundred twenty-three".