12378396 has 12 divisors (see below), whose sum is σ = 28882952. Its totient is φ = 4126128.

The previous prime is 12378349. The next prime is 12378403. The reversal of 12378396 is 69387321.

12378396 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 (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, 515755 + ... + 515778.

Almost surely, 2^12378396 is an apocalyptic number.

It is an amenable number.

12378396 is an abundant number, since it is smaller than the sum of its proper divisors (16504556).

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

12378396 is a wasteful number, since it uses less digits than its factorization.

12378396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031540 (or 1031538 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 12378396 is about 3518.2944731787. The cubic root of 12378396 is about 231.3244069304.

The spelling of 12378396 in words is "twelve million, three hundred seventy-eight thousand, three hundred ninety-six".