12903378 has 32 divisors (see below), whose sum is σ = 26860032. Its totient is φ = 4128000.

The previous prime is 12903377. The next prime is 12903379. The reversal of 12903378 is 87330921.

12903378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12903377) and next prime (12903379).

It is not an unprimeable number, because it can be changed into a prime (12903377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31978 + ... + 32378.

It is an arithmetic number, because the mean of its divisors is an integer number (839376).

Almost surely, 2^12903378 is an apocalyptic number.

12903378 is an abundant number, since it is smaller than the sum of its proper divisors (13956654).

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

12903378 is a wasteful number, since it uses less digits than its factorization.

12903378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12903378 is about 3592.1272249184. The cubic root of 12903378 is about 234.5494793929.

The spelling of 12903378 in words is "twelve million, nine hundred three thousand, three hundred seventy-eight".