13132021605 has 32 divisors (see below), whose sum is σ = 21486933504. Its totient is φ = 6845577216.

The previous prime is 13132021597. The next prime is 13132021607. The reversal of 13132021605 is 50612023131.

It is not a de Polignac number, because 13132021605 - 2³ = 13132021597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132021607) 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, 532917 + ... + 557013.

It is an arithmetic number, because the mean of its divisors is an integer number (671466672).

Almost surely, 2^13132021605 is an apocalyptic number.

13132021605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13132021605 is a deficient number, since it is larger than the sum of its proper divisors (8354911899).

13132021605 is a wasteful number, since it uses less digits than its factorization.

13132021605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24925.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13132021605 its reverse (50612023131), we get a palindrome (63744044736).

The spelling of 13132021605 in words is "thirteen billion, one hundred thirty-two million, twenty-one thousand, six hundred five".