13323989 has 8 divisors (see below), whose sum is σ = 15250560. Its totient is φ = 11403216.

The previous prime is 13323979. The next prime is 13323991. The reversal of 13323989 is 98932331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13323989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (1906320).

Almost surely, 2^13323989 is an apocalyptic number.

It is an amenable number.

13323989 is a deficient number, since it is larger than the sum of its proper divisors (1926571).

13323989 is a wasteful number, since it uses less digits than its factorization.

13323989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899.

The product of its digits is 34992, while the sum is 38.

The square root of 13323989 is about 3650.2039669038. The cubic root of 13323989 is about 237.0708126925.

The spelling of 13323989 in words is "thirteen million, three hundred twenty-three thousand, nine hundred eighty-nine".