13455238 has 4 divisors (see below), whose sum is σ = 20182860. Its totient is φ = 6727618.

The previous prime is 13455223. The next prime is 13455263. The reversal of 13455238 is 83255431.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3363808 + ... + 3363811.

It is an arithmetic number, because the mean of its divisors is an integer number (5045715).

Almost surely, 2^13455238 is an apocalyptic number.

13455238 is a deficient number, since it is larger than the sum of its proper divisors (6727622).

13455238 is an equidigital number, since it uses as much as digits as its factorization.

13455238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727621.

The product of its digits is 14400, while the sum is 31.

The square root of 13455238 is about 3668.1382198603. The cubic root of 13455238 is about 237.8466988190.

The spelling of 13455238 in words is "thirteen million, four hundred fifty-five thousand, two hundred thirty-eight".