13897415347 has 8 divisors (see below), whose sum is σ = 14644324800. Its totient is φ = 13152052584.

The previous prime is 13897415321. The next prime is 13897415407. The reversal of 13897415347 is 74351479831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13897415347 - 2¹⁵ = 13897382579 is a prime.

It is a super-2 number, since 2×13897415347² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13897415294 and 13897415303.

It is not an unprimeable number, because it can be changed into a prime (13897415047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368197 + ... + 404182.

It is an arithmetic number, because the mean of its divisors is an integer number (1830540600).

Almost surely, 2^13897415347 is an apocalyptic number.

13897415347 is a deficient number, since it is larger than the sum of its proper divisors (746909453).

13897415347 is an equidigital number, since it uses as much as digits as its factorization.

13897415347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773345.

The product of its digits is 2540160, while the sum is 52.

The spelling of 13897415347 in words is "thirteen billion, eight hundred ninety-seven million, four hundred fifteen thousand, three hundred forty-seven".