12211874 has 4 divisors (see below), whose sum is σ = 18317814. Its totient is φ = 6105936.

The previous prime is 12211867. The next prime is 12211907. The reversal of 12211874 is 47811221.

12211874 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., 7980625 + 4231249 = 2825^2 + 2057^2 .

It is a plaindrome in base 5 and base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052967 + ... + 3052970.

Almost surely, 2^12211874 is an apocalyptic number.

12211874 is a deficient number, since it is larger than the sum of its proper divisors (6105940).

12211874 is an equidigital number, since it uses as much as digits as its factorization.

12211874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105939.

The product of its digits is 896, while the sum is 26.

The square root of 12211874 is about 3494.5491840866. The cubic root of 12211874 is about 230.2824130124.

The spelling of 12211874 in words is "twelve million, two hundred eleven thousand, eight hundred seventy-four".