13240034 has 4 divisors (see below), whose sum is σ = 19860054. Its totient is φ = 6620016.

The previous prime is 13240021. The next prime is 13240049. The reversal of 13240034 is 43004231.

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., 12623809 + 616225 = 3553^2 + 785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13239994 and 13240021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310007 + ... + 3310010.

Almost surely, 2^13240034 is an apocalyptic number.

13240034 is a deficient number, since it is larger than the sum of its proper divisors (6620020).

13240034 is an equidigital number, since it uses as much as digits as its factorization.

13240034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620019.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13240034 is about 3638.6857517516. The cubic root of 13240034 is about 236.5718322238.

Adding to 13240034 its reverse (43004231), we get a palindrome (56244265).

The spelling of 13240034 in words is "thirteen million, two hundred forty thousand, thirty-four".