13651057272 has 16 divisors (see below), whose sum is σ = 34127643240. Its totient is φ = 4550352416.

The previous prime is 13651057223. The next prime is 13651057369. The reversal of 13651057272 is 27275015631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13651057272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284397003 + ... + 284397050.

Almost surely, 2^13651057272 is an apocalyptic number.

13651057272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13651057272 is an abundant number, since it is smaller than the sum of its proper divisors (20476585968).

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

13651057272 is a wasteful number, since it uses less digits than its factorization.

13651057272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568794062 (or 568794058 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 13651057272 in words is "thirteen billion, six hundred fifty-one million, fifty-seven thousand, two hundred seventy-two".