13772532013 has 4 divisors (see below), whose sum is σ = 14247446940. Its totient is φ = 13297617088.

The previous prime is 13772532001. The next prime is 13772532017. The reversal of 13772532013 is 31023527731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7673234409 + 6099297604 = 87597^2 + 78098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13772532013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13772532013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13772532017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237457420 + ... + 237457477.

It is an arithmetic number, because the mean of its divisors is an integer number (3561861735).

Almost surely, 2^13772532013 is an apocalyptic number.

It is an amenable number.

13772532013 is a deficient number, since it is larger than the sum of its proper divisors (474914927).

13772532013 is an equidigital number, since it uses as much as digits as its factorization.

13772532013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474914926.

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 13772532013 in words is "thirteen billion, seven hundred seventy-two million, five hundred thirty-two thousand, thirteen".