13380238 has 4 divisors (see below), whose sum is σ = 20070360. Its totient is φ = 6690118.

The previous prime is 13380233. The next prime is 13380239. The reversal of 13380238 is 83208331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83208331 = 61 ⋅1364071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13380233) 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, 3345058 + ... + 3345061.

It is an arithmetic number, because the mean of its divisors is an integer number (5017590).

Almost surely, 2^13380238 is an apocalyptic number.

13380238 is a deficient number, since it is larger than the sum of its proper divisors (6690122).

13380238 is an equidigital number, since it uses as much as digits as its factorization.

13380238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690121.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13380238 is about 3657.9007640995. The cubic root of 13380238 is about 237.4039530375.

Adding to 13380238 its reverse (83208331), we get a palindrome (96588569).

The spelling of 13380238 in words is "thirteen million, three hundred eighty thousand, two hundred thirty-eight".