13226238 has 24 divisors (see below), whose sum is σ = 30343248. Its totient is φ = 4149312.

The previous prime is 13226237. The next prime is 13226251. The reversal of 13226238 is 83262231.

13226238 is a `hidden beast` number, since 1 + 32 + 2 + 623 + 8 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21306 + ... + 21917.

It is an arithmetic number, because the mean of its divisors is an integer number (1264302).

Almost surely, 2^13226238 is an apocalyptic number.

13226238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13226238 is an abundant number, since it is smaller than the sum of its proper divisors (17117010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13226238 is a wasteful number, since it uses less digits than its factorization.

13226238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43248 (or 43245 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13226238 is about 3636.7895182427. The cubic root of 13226238 is about 236.4896350721.

Adding to 13226238 its reverse (83262231), we get a palindrome (96488469).

The spelling of 13226238 in words is "thirteen million, two hundred twenty-six thousand, two hundred thirty-eight".