12108722 has 4 divisors (see below), whose sum is σ = 18163086. Its totient is φ = 6054360.

The previous prime is 12108713. The next prime is 12108727. The reversal of 12108722 is 22780121.

12108722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 7447441 + 4661281 = 2729^2 + 2159^2 .

It is a super-2 number, since 2×12108722² = 293242296946568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12108727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027179 + ... + 3027182.

Almost surely, 2^12108722 is an apocalyptic number.

12108722 is a deficient number, since it is larger than the sum of its proper divisors (6054364).

12108722 is an equidigital number, since it uses as much as digits as its factorization.

12108722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054363.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12108722 is about 3479.7588996941. The cubic root of 12108722 is about 229.6321909524.

Adding to 12108722 its reverse (22780121), we get a palindrome (34888843).

The spelling of 12108722 in words is "twelve million, one hundred eight thousand, seven hundred twenty-two".