12809262 has 32 divisors (see below), whose sum is σ = 28007424. Its totient is φ = 3888000.

The previous prime is 12809221. The next prime is 12809281. The reversal of 12809262 is 26290821.

12809262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1137 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (875232).

Almost surely, 2^12809262 is an apocalyptic number.

12809262 is an abundant number, since it is smaller than the sum of its proper divisors (15198162).

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

12809262 is a wasteful number, since it uses less digits than its factorization.

12809262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12809262 is about 3579.0029337792. The cubic root of 12809262 is about 233.9778268127.

The spelling of 12809262 in words is "twelve million, eight hundred nine thousand, two hundred sixty-two".