12113757 has 6 divisors (see below), whose sum is σ = 17497662. Its totient is φ = 8075832.

The previous prime is 12113753. The next prime is 12113789. The reversal of 12113757 is 75731121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6610041 + 5503716 = 2571^2 + 2346^2 .

It is not a de Polignac number, because 12113757 - 2² = 12113753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12113757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113753) 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, 672978 + ... + 672995.

It is an arithmetic number, because the mean of its divisors is an integer number (2916277).

Almost surely, 2^12113757 is an apocalyptic number.

It is an amenable number.

12113757 is a deficient number, since it is larger than the sum of its proper divisors (5383905).

12113757 is a wasteful number, since it uses less digits than its factorization.

12113757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345979 (or 1345976 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 12113757 is about 3480.4822941656. The cubic root of 12113757 is about 229.6640147860.

Adding to 12113757 its reverse (75731121), we get a palindrome (87844878).

The spelling of 12113757 in words is "twelve million, one hundred thirteen thousand, seven hundred fifty-seven".