13113226452 has 24 divisors (see below), whose sum is σ = 30625451136. Its totient is φ = 4367086528.

The previous prime is 13113226439. The next prime is 13113226453. The reversal of 13113226452 is 25462231131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113226453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484908 + ... + 511235.

It is an arithmetic number, because the mean of its divisors is an integer number (1276060464).

Almost surely, 2^13113226452 is an apocalyptic number.

13113226452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13113226452 is an abundant number, since it is smaller than the sum of its proper divisors (17512224684).

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

13113226452 is a wasteful number, since it uses less digits than its factorization.

13113226452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997247 (or 997245 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

Adding to 13113226452 its reverse (25462231131), we get a palindrome (38575457583).

The spelling of 13113226452 in words is "thirteen billion, one hundred thirteen million, two hundred twenty-six thousand, four hundred fifty-two".