12108562 has 4 divisors (see below), whose sum is σ = 18162846. Its totient is φ = 6054280.

The previous prime is 12108559. The next prime is 12108581. The reversal of 12108562 is 26580121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11029041 + 1079521 = 3321^2 + 1039^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027139 + ... + 3027142.

Almost surely, 2^12108562 is an apocalyptic number.

12108562 is a deficient number, since it is larger than the sum of its proper divisors (6054284).

12108562 is an equidigital number, since it uses as much as digits as its factorization.

12108562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054283.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 12108562 is about 3479.7359095196. The cubic root of 12108562 is about 229.6311795241.

Adding to 12108562 its reverse (26580121), we get a palindrome (38688683).

The spelling of 12108562 in words is "twelve million, one hundred eight thousand, five hundred sixty-two".