13423389 has 16 divisors (see below), whose sum is σ = 20574720. Its totient is φ = 7625520.

The previous prime is 13423381. The next prime is 13423391. The reversal of 13423389 is 98332431.

It is a happy number.

It is not a de Polignac number, because 13423389 - 2³ = 13423381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974 + ... + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (1285920).

Almost surely, 2^13423389 is an apocalyptic number.

It is an amenable number.

13423389 is a deficient number, since it is larger than the sum of its proper divisors (7151331).

13423389 is a wasteful number, since it uses less digits than its factorization.

13423389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760.

The product of its digits is 15552, while the sum is 33.

The square root of 13423389 is about 3663.7943446651. The cubic root of 13423389 is about 237.6588868486.

The spelling of 13423389 in words is "thirteen million, four hundred twenty-three thousand, three hundred eighty-nine".