13021153652 has 24 divisors (see below), whose sum is σ = 24592460256. Its totient is φ = 5996883168.

The previous prime is 13021153637. The next prime is 13021153669. The reversal of 13021153652 is 25635112031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243818 + ... + 292385.

It is an arithmetic number, because the mean of its divisors is an integer number (1024685844).

Almost surely, 2^13021153652 is an apocalyptic number.

It is an amenable number.

13021153652 is a deficient number, since it is larger than the sum of its proper divisors (11571306604).

13021153652 is a wasteful number, since it uses less digits than its factorization.

13021153652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536687 (or 536685 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 13021153652 its reverse (25635112031), we get a palindrome (38656265683).

The spelling of 13021153652 in words is "thirteen billion, twenty-one million, one hundred fifty-three thousand, six hundred fifty-two".