13276747572 has 96 divisors (see below), whose sum is σ = 35702553600. Its totient is φ = 3797740800.

The previous prime is 13276747559. The next prime is 13276747573. The reversal of 13276747572 is 27574767231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13276747573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695329 + ... + 714167.

It is an arithmetic number, because the mean of its divisors is an integer number (371901600).

Almost surely, 2^13276747572 is an apocalyptic number.

13276747572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13276747572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17851276800).

13276747572 is an abundant number, since it is smaller than the sum of its proper divisors (22425806028).

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

13276747572 is a wasteful number, since it uses less digits than its factorization.

13276747572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19157 (or 19155 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 51.

The spelling of 13276747572 in words is "thirteen billion, two hundred seventy-six million, seven hundred forty-seven thousand, five hundred seventy-two".