13412239 has 4 divisors (see below), whose sum is σ = 13874760. Its totient is φ = 12949720.

The previous prime is 13412237. The next prime is 13412251. The reversal of 13412239 is 93221431.

13412239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93221431 = 1109 ⋅84059.

It is a cyclic number.

It is not a de Polignac number, because 13412239 - 2¹ = 13412237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412237) 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, 231217 + ... + 231274.

It is an arithmetic number, because the mean of its divisors is an integer number (3468690).

Almost surely, 2^13412239 is an apocalyptic number.

13412239 is a deficient number, since it is larger than the sum of its proper divisors (462521).

13412239 is an equidigital number, since it uses as much as digits as its factorization.

13412239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462520.

The product of its digits is 1296, while the sum is 25.

The square root of 13412239 is about 3662.2723820055. The cubic root of 13412239 is about 237.5930656507.

The spelling of 13412239 in words is "thirteen million, four hundred twelve thousand, two hundred thirty-nine".