13704351257 has 16 divisors (see below), whose sum is σ = 14869343232. Its totient is φ = 12592968960.

The previous prime is 13704351209. The next prime is 13704351263. The reversal of 13704351257 is 75215340731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13704351257 - 2²⁰ = 13703302681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13704351257.

It is not an unprimeable number, because it can be changed into a prime (13704351277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27533 + ... + 167829.

It is an arithmetic number, because the mean of its divisors is an integer number (929333952).

Almost surely, 2^13704351257 is an apocalyptic number.

It is an amenable number.

13704351257 is a deficient number, since it is larger than the sum of its proper divisors (1164991975).

13704351257 is a wasteful number, since it uses less digits than its factorization.

13704351257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140488.

The product of its (nonzero) digits is 88200, while the sum is 38.

Adding to 13704351257 its reverse (75215340731), we get a palindrome (88919691988).

The spelling of 13704351257 in words is "thirteen billion, seven hundred four million, three hundred fifty-one thousand, two hundred fifty-seven".