12700116 has 72 divisors (see below), whose sum is σ = 37730784. Its totient is φ = 3551040.

The previous prime is 12700109. The next prime is 12700123. The reversal of 12700116 is 61100721.

It is an interprime number because it is at equal distance from previous prime (12700109) and next prime (12700123).

It is a super-2 number, since 2×12700116² = 322585892826912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3915 + ... + 6381.

Almost surely, 2^12700116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12700116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18865392).

12700116 is an abundant number, since it is smaller than the sum of its proper divisors (25030668).

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

12700116 is a wasteful number, since it uses less digits than its factorization.

12700116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 12700116 is about 3563.7222113964. The cubic root of 12700116 is about 233.3113657323.

Adding to 12700116 its reverse (61100721), we get a palindrome (73800837).

The spelling of 12700116 in words is "twelve million, seven hundred thousand, one hundred sixteen".