12447804 has 12 divisors (see below), whose sum is σ = 29044904. Its totient is φ = 4149264.

The previous prime is 12447781. The next prime is 12447811. The reversal of 12447804 is 40874421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518647 + ... + 518670.

Almost surely, 2^12447804 is an apocalyptic number.

It is an amenable number.

12447804 is an abundant number, since it is smaller than the sum of its proper divisors (16597100).

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

12447804 is a wasteful number, since it uses less digits than its factorization.

12447804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037324 (or 1037322 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 12447804 is about 3528.1445548617. The cubic root of 12447804 is about 231.7559611839.

The spelling of 12447804 in words is "twelve million, four hundred forty-seven thousand, eight hundred four".