12209074 has 4 divisors (see below), whose sum is σ = 18313614. Its totient is φ = 6104536.

The previous prime is 12209063. The next prime is 12209081. The reversal of 12209074 is 47090221.

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., 9828225 + 2380849 = 3135^2 + 1543^2 .

It is a super-2 number, since 2×12209074² = 298122975874952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052267 + ... + 3052270.

Almost surely, 2^12209074 is an apocalyptic number.

12209074 is a deficient number, since it is larger than the sum of its proper divisors (6104540).

12209074 is an equidigital number, since it uses as much as digits as its factorization.

12209074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104539.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12209074 is about 3494.1485371976. The cubic root of 12209074 is about 230.2648115631.

Adding to 12209074 its reverse (47090221), we get a palindrome (59299295).

The spelling of 12209074 in words is "twelve million, two hundred nine thousand, seventy-four".