12815262 has 12 divisors (see below), whose sum is σ = 27766440. Its totient is φ = 4271748.

The previous prime is 12815261. The next prime is 12815267. The reversal of 12815262 is 26251821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12815261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355962 + ... + 355997.

It is an arithmetic number, because the mean of its divisors is an integer number (2313870).

Almost surely, 2^12815262 is an apocalyptic number.

12815262 is an abundant number, since it is smaller than the sum of its proper divisors (14951178).

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

12815262 is a wasteful number, since it uses less digits than its factorization.

12815262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711967 (or 711964 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 12815262 is about 3579.8410579242. The cubic root of 12815262 is about 234.0143537108.

The spelling of 12815262 in words is "twelve million, eight hundred fifteen thousand, two hundred sixty-two".