13687830025 has 9 divisors (see below), whose sum is σ = 16973634631. Its totient is φ = 10949796040.

The previous prime is 13687830011. The next prime is 13687830043. The reversal of 13687830025 is 52003878631.

The square root of 13687830025 is 116995.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4927618809 + 8760211216 = 70197^2 + 93596^2 .

It is not a de Polignac number, because 13687830025 - 2²⁷ = 13553612297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 573276 + ... + 596674.

Almost surely, 2^13687830025 is an apocalyptic number.

13687830025 is the 116995-th square number.

13687830025 is the 58498-th centered octagonal number.

It is an amenable number.

13687830025 is a deficient number, since it is larger than the sum of its proper divisors (3285804606).

13687830025 is an frugal number, since it uses more digits than its factorization.

13687830025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46808 (or 23404 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 13687830025 in words is "thirteen billion, six hundred eighty-seven million, eight hundred thirty thousand, twenty-five".