13234989 has 4 divisors (see below), whose sum is σ = 17646656. Its totient is φ = 8823324.

The previous prime is 13234981. The next prime is 13235009. The reversal of 13234989 is 98943231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13234989 - 2³ = 13234981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205829 + ... + 2205834.

It is an arithmetic number, because the mean of its divisors is an integer number (4411664).

Almost surely, 2^13234989 is an apocalyptic number.

It is an amenable number.

13234989 is a deficient number, since it is larger than the sum of its proper divisors (4411667).

13234989 is an equidigital number, since it uses as much as digits as its factorization.

13234989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411666.

The product of its digits is 46656, while the sum is 39.

The square root of 13234989 is about 3637.9924408937. The cubic root of 13234989 is about 236.5417805256.

The spelling of 13234989 in words is "thirteen million, two hundred thirty-four thousand, nine hundred eighty-nine".