12810538 has 24 divisors (see below), whose sum is σ = 21028896. Its totient is φ = 5850000.

The previous prime is 12810529. The next prime is 12810557. The reversal of 12810538 is 83501821.

12810538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 50913 + ... + 51163.

It is an arithmetic number, because the mean of its divisors is an integer number (876204).

Almost surely, 2^12810538 is an apocalyptic number.

12810538 is a deficient number, since it is larger than the sum of its proper divisors (8218358).

12810538 is a wasteful number, since it uses less digits than its factorization.

12810538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12810538 is about 3579.1811912783. The cubic root of 12810538 is about 233.9855958212.

The spelling of 12810538 in words is "twelve million, eight hundred ten thousand, five hundred thirty-eight".