13132346520 has 64 divisors (see below), whose sum is σ = 39697827840. Its totient is φ = 3475222400.

The previous prime is 13132346503. The next prime is 13132346543. The reversal of 13132346520 is 2564323131.

It is a super-2 number, since 2×13132346520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 401976 + ... + 433415.

It is an arithmetic number, because the mean of its divisors is an integer number (620278560).

Almost surely, 2^13132346520 is an apocalyptic number.

13132346520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132346520 is an abundant number, since it is smaller than the sum of its proper divisors (26565481320).

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

13132346520 is a wasteful number, since it uses less digits than its factorization.

13132346520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835536 (or 835532 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 13132346520 its reverse (2564323131), we get a palindrome (15696669651).

The spelling of 13132346520 in words is "thirteen billion, one hundred thirty-two million, three hundred forty-six thousand, five hundred twenty".