12890810 has 32 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 4808320.

The previous prime is 12890809. The next prime is 12890821. The reversal of 12890810 is 1809821.

12890810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12890810² = 332345964912200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8747 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (775656).

Almost surely, 2^12890810 is an apocalyptic number.

12890810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12890810 is a deficient number, since it is larger than the sum of its proper divisors (11930182).

12890810 is a wasteful number, since it uses less digits than its factorization.

12890810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 12890810 is about 3590.3774174869. The cubic root of 12890810 is about 234.4733035925.

The spelling of 12890810 in words is "twelve million, eight hundred ninety thousand, eight hundred ten".