13390227 has 24 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 8665200.

The previous prime is 13390219. The next prime is 13390241. The reversal of 13390227 is 72209331.

It is not a de Polignac number, because 13390227 - 2³ = 13390219 is a prime.

It is a super-2 number, since 2×13390227² = 358596358223058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13390227.

It is not an unprimeable number, because it can be changed into a prime (13390207) 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 23 ways as a sum of consecutive naturals, for example, 80098 + ... + 80264.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^13390227 is an apocalyptic number.

13390227 is a deficient number, since it is larger than the sum of its proper divisors (6527853).

13390227 is a wasteful number, since it uses less digits than its factorization.

13390227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13390227 is about 3659.2659099880. The cubic root of 13390227 is about 237.4630162171.

Adding to 13390227 its reverse (72209331), we get a palindrome (85599558).

The spelling of 13390227 in words is "thirteen million, three hundred ninety thousand, two hundred twenty-seven".