12113642 has 8 divisors (see below), whose sum is σ = 18250500. Its totient is φ = 6030144.

The previous prime is 12113599. The next prime is 12113657. The reversal of 12113642 is 24631121.

It can be written as a sum of positive squares in 2 ways, for example, as 12103441 + 10201 = 3479^2 + 101^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12767 + ... + 13682.

Almost surely, 2^12113642 is an apocalyptic number.

12113642 is a deficient number, since it is larger than the sum of its proper divisors (6136858).

12113642 is a wasteful number, since it uses less digits than its factorization.

12113642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26680.

The product of its digits is 288, while the sum is 20.

The square root of 12113642 is about 3480.4657734275. The cubic root of 12113642 is about 229.6632880243.

Adding to 12113642 its reverse (24631121), we get a palindrome (36744763).

The spelling of 12113642 in words is "twelve million, one hundred thirteen thousand, six hundred forty-two".