13012238 has 8 divisors (see below), whose sum is σ = 19604280. Its totient is φ = 6477480.

The previous prime is 13012231. The next prime is 13012243. The reversal of 13012238 is 83221031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012231) 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 in 3 ways as a sum of consecutive naturals, for example, 13748 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (2450535).

Almost surely, 2^13012238 is an apocalyptic number.

13012238 is a deficient number, since it is larger than the sum of its proper divisors (6592042).

13012238 is a wasteful number, since it uses less digits than its factorization.

13012238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28642.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13012238 is about 3607.2479814950. The cubic root of 13012238 is about 235.2072293079.

Adding to 13012238 its reverse (83221031), we get a palindrome (96233269).

The spelling of 13012238 in words is "thirteen million, twelve thousand, two hundred thirty-eight".