13238343 has 8 divisors (see below), whose sum is σ = 19612400. Its totient is φ = 8825544.

The previous prime is 13238339. The next prime is 13238347. The reversal of 13238343 is 34383231.

It is an interprime number because it is at equal distance from previous prime (13238339) and next prime (13238347).

It is not a de Polignac number, because 13238343 - 2² = 13238339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 490309 = 13238343 / (1 + 3 + 2 + 3 + 8 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13238347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245128 + ... + 245181.

It is an arithmetic number, because the mean of its divisors is an integer number (2451550).

Almost surely, 2^13238343 is an apocalyptic number.

13238343 is a deficient number, since it is larger than the sum of its proper divisors (6374057).

13238343 is an equidigital number, since it uses as much as digits as its factorization.

13238343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490318 (or 490312 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 13238343 is about 3638.4533802153. The cubic root of 13238343 is about 236.5617602456.

The spelling of 13238343 in words is "thirteen million, two hundred thirty-eight thousand, three hundred forty-three".