13397453727 has 24 divisors (see below), whose sum is σ = 21496273200. Its totient is φ = 7391696256.

The previous prime is 13397453711. The next prime is 13397453731. The reversal of 13397453727 is 72735479331.

It is a happy number.

It is not a de Polignac number, because 13397453727 - 2⁴ = 13397453711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13397453727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13397453777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1567102 + ... + 1575627.

It is an arithmetic number, because the mean of its divisors is an integer number (895678050).

Almost surely, 2^13397453727 is an apocalyptic number.

13397453727 is a deficient number, since it is larger than the sum of its proper divisors (8098819473).

13397453727 is a wasteful number, since it uses less digits than its factorization.

13397453727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142775 (or 3142768 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 51.

The spelling of 13397453727 in words is "thirteen billion, three hundred ninety-seven million, four hundred fifty-three thousand, seven hundred twenty-seven".