13266456252 has 48 divisors (see below), whose sum is σ = 35727508992. Its totient is φ = 3752884800.

The previous prime is 13266456251. The next prime is 13266456257. The reversal of 13266456252 is 25265466231.

It is a super-2 number, since 2×13266456252² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266456251) 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 15 ways as a sum of consecutive naturals, for example, 773368 + ... + 790335.

It is an arithmetic number, because the mean of its divisors is an integer number (744323104).

Almost surely, 2^13266456252 is an apocalyptic number.

13266456252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13266456252 is an abundant number, since it is smaller than the sum of its proper divisors (22461052740).

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

13266456252 is a wasteful number, since it uses less digits than its factorization.

13266456252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563818 (or 1563816 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The spelling of 13266456252 in words is "thirteen billion, two hundred sixty-six million, four hundred fifty-six thousand, two hundred fifty-two".