13234891 has 4 divisors (see below), whose sum is σ = 14013432. Its totient is φ = 12456352.

The previous prime is 13234883. The next prime is 13234909. The reversal of 13234891 is 19843231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13234891 - 2³ = 13234883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13234801) 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, 389245 + ... + 389278.

It is an arithmetic number, because the mean of its divisors is an integer number (3503358).

Almost surely, 2^13234891 is an apocalyptic number.

13234891 is a deficient number, since it is larger than the sum of its proper divisors (778541).

13234891 is an equidigital number, since it uses as much as digits as its factorization.

13234891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778540.

The product of its digits is 5184, while the sum is 31.

The square root of 13234891 is about 3637.9789719018. The cubic root of 13234891 is about 236.5411966906.

The spelling of 13234891 in words is "thirteen million, two hundred thirty-four thousand, eight hundred ninety-one".