12378900 has 36 divisors (see below), whose sum is σ = 35817152. Its totient is φ = 3300960.

The previous prime is 12378859. The next prime is 12378917. The reversal of 12378900 is 987321.

It is a happy number.

12378900 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 (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20332 + ... + 20931.

Almost surely, 2^12378900 is an apocalyptic number.

12378900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12378900 is an abundant number, since it is smaller than the sum of its proper divisors (23438252).

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

12378900 is a wasteful number, since it uses less digits than its factorization.

12378900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41280 (or 41273 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12378900 is about 3518.3660980631. The cubic root of 12378900 is about 231.3275464303.

The spelling of 12378900 in words is "twelve million, three hundred seventy-eight thousand, nine hundred".