13277435320 has 16 divisors (see below), whose sum is σ = 29874229560. Its totient is φ = 5310974112.

The previous prime is 13277435309. The next prime is 13277435321. The reversal of 13277435320 is 2353477231.

It is a self number, because there is not a number n which added to its sum of digits gives 13277435320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13277435321) 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, 165967902 + ... + 165967981.

Almost surely, 2^13277435320 is an apocalyptic number.

13277435320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13277435320 is an abundant number, since it is smaller than the sum of its proper divisors (16596794240).

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

13277435320 is a wasteful number, since it uses less digits than its factorization.

13277435320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331935894 (or 331935890 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 13277435320 in words is "thirteen billion, two hundred seventy-seven million, four hundred thirty-five thousand, three hundred twenty".