12405304 has 8 divisors (see below), whose sum is σ = 23259960. Its totient is φ = 6202648.

The previous prime is 12405299. The next prime is 12405313. The reversal of 12405304 is 40350421.

12405304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775324 + ... + 775339.

It is an arithmetic number, because the mean of its divisors is an integer number (2907495).

Almost surely, 2^12405304 is an apocalyptic number.

It is an amenable number.

12405304 is a deficient number, since it is larger than the sum of its proper divisors (10854656).

12405304 is a wasteful number, since it uses less digits than its factorization.

12405304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550669 (or 1550665 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12405304 is about 3522.1164092063. The cubic root of 12405304 is about 231.4919023084.

Adding to 12405304 its reverse (40350421), we get a palindrome (52755725).

The spelling of 12405304 in words is "twelve million, four hundred five thousand, three hundred four".