13718025 has 24 divisors (see below), whose sum is σ = 25201760. Its totient is φ = 7315920.

The previous prime is 13718017. The next prime is 13718039. The reversal of 13718025 is 52081731.

It is not a de Polignac number, because 13718025 - 2³ = 13718017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13718025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9487 + ... + 10836.

Almost surely, 2^13718025 is an apocalyptic number.

13718025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13718025 is a deficient number, since it is larger than the sum of its proper divisors (11483735).

13718025 is a wasteful number, since it uses less digits than its factorization.

13718025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20342 (or 20331 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13718025 is about 3703.7852259547. The cubic root of 13718025 is about 239.3851449002.

Adding to 13718025 its reverse (52081731), we get a palindrome (65799756).

The spelling of 13718025 in words is "thirteen million, seven hundred eighteen thousand, twenty-five".