13825118 has 8 divisors (see below), whose sum is σ = 21243600. Its totient is φ = 6743920.

The previous prime is 13825111. The next prime is 13825129. The reversal of 13825118 is 81152831.

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

It is a super-2 number, since 2×13825118² = 382267775427848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84218 + ... + 84381.

It is an arithmetic number, because the mean of its divisors is an integer number (2655450).

Almost surely, 2^13825118 is an apocalyptic number.

13825118 is a deficient number, since it is larger than the sum of its proper divisors (7418482).

13825118 is a wasteful number, since it uses less digits than its factorization.

13825118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168642.

The product of its digits is 1920, while the sum is 29.

The square root of 13825118 is about 3718.2143563813. The cubic root of 13825118 is about 240.0064697330.

Adding to 13825118 its reverse (81152831), we get a palindrome (94977949).

The spelling of 13825118 in words is "thirteen million, eight hundred twenty-five thousand, one hundred eighteen".