13238211 has 8 divisors (see below), whose sum is σ = 20172544. Its totient is φ = 7564680.

The previous prime is 13238207. The next prime is 13238233. The reversal of 13238211 is 11283231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13238211 - 2² = 13238207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 630391 = 13238211 / (1 + 3 + 2 + 3 + 8 + 2 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (13238011) 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, 315175 + ... + 315216.

It is an arithmetic number, because the mean of its divisors is an integer number (2521568).

Almost surely, 2^13238211 is an apocalyptic number.

13238211 is a deficient number, since it is larger than the sum of its proper divisors (6934333).

13238211 is an equidigital number, since it uses as much as digits as its factorization.

13238211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630401.

The product of its digits is 288, while the sum is 21.

The square root of 13238211 is about 3638.4352405945. The cubic root of 13238211 is about 236.5609739877.

The spelling of 13238211 in words is "thirteen million, two hundred thirty-eight thousand, two hundred eleven".