15000117 has 16 divisors (see below), whose sum is σ = 22768128. Its totient is φ = 8695280.

The previous prime is 15000079. The next prime is 15000127. The reversal of 15000117 is 71100051.

15000117 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15000117 - 2⁶ = 15000053 is a prime.

15000117 is a modest number, since divided by 117 gives 15 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 15000096 and 15000105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000127) 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, 9123 + ... + 10640.

It is an arithmetic number, because the mean of its divisors is an integer number (1423008).

Almost surely, 2^15000117 is an apocalyptic number.

It is an amenable number.

15000117 is a deficient number, since it is larger than the sum of its proper divisors (7768011).

15000117 is a wasteful number, since it uses less digits than its factorization.

15000117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19800.

The product of its (nonzero) digits is 35, while the sum is 15.

The square root of 15000117 is about 3872.9984508130. The cubic root of 15000117 is about 246.6218486465.

Adding to 15000117 its reverse (71100051), we get a palindrome (86100168).

The spelling of 15000117 in words is "fifteen million, one hundred seventeen", and thus it is an aban number.