13289923 has 2 divisors, whose sum is σ = 13289924. Its totient is φ = 13289922.

The previous prime is 13289839. The next prime is 13289957. The reversal of 13289923 is 32998231.

13289923 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 a cyclic number.

It is not a de Polignac number, because 13289923 - 2¹³ = 13281731 is a prime.

It is not a weakly prime, because it can be changed into another prime (13289123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6644961 + 6644962.

It is an arithmetic number, because the mean of its divisors is an integer number (6644962).

Almost surely, 2^13289923 is an apocalyptic number.

13289923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13289923 is an equidigital number, since it uses as much as digits as its factorization.

13289923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 13289923 is about 3645.5346658618. The cubic root of 13289923 is about 236.8685973026.

The spelling of 13289923 in words is "thirteen million, two hundred eighty-nine thousand, nine hundred twenty-three".