12518016 has 64 divisors (see below), whose sum is σ = 38009280. Its totient is φ = 3575808.

The previous prime is 12517987. The next prime is 12518021. The reversal of 12518016 is 61081521.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (593895).

Almost surely, 2^12518016 is an apocalyptic number.

12518016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12518016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19004640).

12518016 is an abundant number, since it is smaller than the sum of its proper divisors (25491264).

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

12518016 is an equidigital number, since it uses as much as digits as its factorization.

12518016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 12518016 is about 3538.0808357074. The cubic root of 12518016 is about 232.1908853099.

Adding to 12518016 its reverse (61081521), we get a palindrome (73599537).

The spelling of 12518016 in words is "twelve million, five hundred eighteen thousand, sixteen".