12116751 has 8 divisors (see below), whose sum is σ = 16712880. Its totient is φ = 7799232.

The previous prime is 12116743. The next prime is 12116773. The reversal of 12116751 is 15761121.

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

It is not a de Polignac number, because 12116751 - 2³ = 12116743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69550 + ... + 69723.

It is an arithmetic number, because the mean of its divisors is an integer number (2089110).

Almost surely, 2^12116751 is an apocalyptic number.

12116751 is a deficient number, since it is larger than the sum of its proper divisors (4596129).

12116751 is a wasteful number, since it uses less digits than its factorization.

12116751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139305.

The product of its digits is 420, while the sum is 24.

The square root of 12116751 is about 3480.9123803968. The cubic root of 12116751 is about 229.6829342514.

Adding to 12116751 its reverse (15761121), we get a palindrome (27877872).

The spelling of 12116751 in words is "twelve million, one hundred sixteen thousand, seven hundred fifty-one".