12007404 has 18 divisors (see below), whose sum is σ = 30352140. Its totient is φ = 4002456.

The previous prime is 12007397. The next prime is 12007439. The reversal of 12007404 is 40470021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166734 + ... + 166805.

It is an arithmetic number, because the mean of its divisors is an integer number (1686230).

Almost surely, 2^12007404 is an apocalyptic number.

It is an amenable number.

12007404 is an abundant number, since it is smaller than the sum of its proper divisors (18344736).

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

12007404 is a wasteful number, since it uses less digits than its factorization.

12007404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333549 (or 333544 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 12007404 is about 3465.1701256937. The cubic root of 12007404 is about 228.9899247425.

Adding to 12007404 its reverse (40470021), we get a palindrome (52477425).

The spelling of 12007404 in words is "twelve million, seven thousand, four hundred four".