12378504 has 16 divisors (see below), whose sum is σ = 30946320. Its totient is φ = 4126160.

The previous prime is 12378503. The next prime is 12378511. The reversal of 12378504 is 40587321.

It is a super-2 number, since 2×12378504² = 306454722556032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12378503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257862 + ... + 257909.

It is an arithmetic number, because the mean of its divisors is an integer number (1934145).

Almost surely, 2^12378504 is an apocalyptic number.

It is an amenable number.

12378504 is an abundant number, since it is smaller than the sum of its proper divisors (18567816).

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

12378504 is a wasteful number, since it uses less digits than its factorization.

12378504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515780 (or 515776 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 12378504 is about 3518.3098214910. The cubic root of 12378504 is about 231.3250796875.

The spelling of 12378504 in words is "twelve million, three hundred seventy-eight thousand, five hundred four".