12345804 has 48 divisors (see below), whose sum is σ = 32435200. Its totient is φ = 4060368.

The previous prime is 12345803. The next prime is 12345811. The reversal of 12345804 is 40854321.

12345804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12345803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7809 + ... + 9255.

Almost surely, 2^12345804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12345804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16217600).

12345804 is an abundant number, since it is smaller than the sum of its proper divisors (20089396).

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

12345804 is a wasteful number, since it uses less digits than its factorization.

12345804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 12345804 is about 3513.6596306415. The cubic root of 12345804 is about 231.1212047353.

The spelling of 12345804 in words is "twelve million, three hundred forty-five thousand, eight hundred four".