12893388 has 24 divisors (see below), whose sum is σ = 30596160. Its totient is φ = 4224720.

The previous prime is 12893351. The next prime is 12893389. The reversal of 12893388 is 88339821.

12893388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12893389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8398 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (1274840).

Almost surely, 2^12893388 is an apocalyptic number.

It is an amenable number.

12893388 is an abundant number, since it is smaller than the sum of its proper divisors (17702772).

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

12893388 is a wasteful number, since it uses less digits than its factorization.

12893388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18277 (or 18275 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 12893388 is about 3590.7364147205. The cubic root of 12893388 is about 234.4889331220.

The spelling of 12893388 in words is "twelve million, eight hundred ninety-three thousand, three hundred eighty-eight".