13399234 has 4 divisors (see below), whose sum is σ = 20098854. Its totient is φ = 6699616.

The previous prime is 13399231. The next prime is 13399241. The reversal of 13399234 is 43299331.

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

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 5076009 = 2885^2 + 2253^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13399234.

It is not an unprimeable number, because it can be changed into a prime (13399231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349807 + ... + 3349810.

Almost surely, 2^13399234 is an apocalyptic number.

13399234 is a deficient number, since it is larger than the sum of its proper divisors (6699620).

13399234 is an equidigital number, since it uses as much as digits as its factorization.

13399234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699619.

The product of its digits is 17496, while the sum is 34.

The square root of 13399234 is about 3660.4964144225. The cubic root of 13399234 is about 237.5162478266.

The spelling of 13399234 in words is "thirteen million, three hundred ninety-nine thousand, two hundred thirty-four".