15117048 has 24 divisors (see below), whose sum is σ = 40942200. Its totient is φ = 5038992.

The previous prime is 15117043. The next prime is 15117061. The reversal of 15117048 is 84071151.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15117041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104908 + ... + 105051.

It is an arithmetic number, because the mean of its divisors is an integer number (1705925).

Almost surely, 2^15117048 is an apocalyptic number.

15117048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15117048 is an abundant number, since it is smaller than the sum of its proper divisors (25825152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15117048 is a wasteful number, since it uses less digits than its factorization.

15117048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209971 (or 209964 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 15117048 is about 3888.0648142746. The cubic root of 15117048 is about 247.2610243033.

Adding to 15117048 its reverse (84071151), we get a palindrome (99188199).

The spelling of 15117048 in words is "fifteen million, one hundred seventeen thousand, forty-eight".