12009974 has 4 divisors (see below), whose sum is σ = 18014964. Its totient is φ = 6004986.

The previous prime is 12009971. The next prime is 12009997. The reversal of 12009974 is 47990021.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12009974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12009971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002492 + ... + 3002495.

It is an arithmetic number, because the mean of its divisors is an integer number (4503741).

Almost surely, 2^12009974 is an apocalyptic number.

12009974 is a deficient number, since it is larger than the sum of its proper divisors (6004990).

12009974 is an equidigital number, since it uses as much as digits as its factorization.

12009974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004989.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12009974 is about 3465.5409390166. The cubic root of 12009974 is about 229.0062608333.

Adding to 12009974 its reverse (47990021), we get a palindrome (59999995).

The spelling of 12009974 in words is "twelve million, nine thousand, nine hundred seventy-four".