13023213132 has 12 divisors (see below), whose sum is σ = 30387497336. Its totient is φ = 4341071040.

The previous prime is 13023213107. The next prime is 13023213139. The reversal of 13023213132 is 23131232031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13023213099 and 13023213108.

It is not an unprimeable number, because it can be changed into a prime (13023213139) 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, 542633869 + ... + 542633892.

Almost surely, 2^13023213132 is an apocalyptic number.

13023213132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13023213132 is an abundant number, since it is smaller than the sum of its proper divisors (17364284204).

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

13023213132 is a wasteful number, since it uses less digits than its factorization.

13023213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085267768 (or 1085267766 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13023213132 its reverse (23131232031), we get a palindrome (36154445163).

The spelling of 13023213132 in words is "thirteen billion, twenty-three million, two hundred thirteen thousand, one hundred thirty-two".