12378934 has 8 divisors (see below), whose sum is σ = 18601200. Its totient is φ = 6178536.

The previous prime is 12378917. The next prime is 12378997. The reversal of 12378934 is 43987321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12378893 and 12378902.

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, 3969 + ... + 6364.

It is an arithmetic number, because the mean of its divisors is an integer number (2325150).

Almost surely, 2^12378934 is an apocalyptic number.

12378934 is a deficient number, since it is larger than the sum of its proper divisors (6222266).

12378934 is a wasteful number, since it uses less digits than its factorization.

12378934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934.

The product of its digits is 36288, while the sum is 37.

The square root of 12378934 is about 3518.3709298481. The cubic root of 12378934 is about 231.3277582189.

The spelling of 12378934 in words is "twelve million, three hundred seventy-eight thousand, nine hundred thirty-four".