12009474 has 24 divisors (see below), whose sum is σ = 26656812. Its totient is φ = 3905280.

The previous prime is 12009469. The next prime is 12009499. The reversal of 12009474 is 47490021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12006225 + 3249 = 3465^2 + 57^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7399 + ... + 8874.

Almost surely, 2^12009474 is an apocalyptic number.

12009474 is an abundant number, since it is smaller than the sum of its proper divisors (14647338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12009474 is a wasteful number, since it uses less digits than its factorization.

12009474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16322 (or 16319 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12009474 is about 3465.4687994556. The cubic root of 12009474 is about 229.0030827881.

Adding to 12009474 its reverse (47490021), we get a palindrome (59499495).

The spelling of 12009474 in words is "twelve million, nine thousand, four hundred seventy-four".