12116738 has 4 divisors (see below), whose sum is σ = 18175110. Its totient is φ = 6058368.

The previous prime is 12116729. The next prime is 12116743. The reversal of 12116738 is 83761121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83761121 = 6737 ⋅12433.

It can be written as a sum of positive squares in only one way, i.e., 10778089 + 1338649 = 3283^2 + 1157^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12116738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3029183 + ... + 3029186.

Almost surely, 2^12116738 is an apocalyptic number.

12116738 is a deficient number, since it is larger than the sum of its proper divisors (6058372).

12116738 is an equidigital number, since it uses as much as digits as its factorization.

12116738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058371.

The product of its digits is 2016, while the sum is 29.

The square root of 12116738 is about 3480.9105130698. The cubic root of 12116738 is about 229.6828521095.

Adding to 12116738 its reverse (83761121), we get a palindrome (95877859).

The spelling of 12116738 in words is "twelve million, one hundred sixteen thousand, seven hundred thirty-eight".