12881036 has 24 divisors (see below), whose sum is σ = 27278496. Its totient is φ = 5195520.

The previous prime is 12881023. The next prime is 12881041. The reversal of 12881036 is 63018821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13055 + ... + 14006.

It is an arithmetic number, because the mean of its divisors is an integer number (1136604).

Almost surely, 2^12881036 is an apocalyptic number.

It is an amenable number.

12881036 is an abundant number, since it is smaller than the sum of its proper divisors (14397460).

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

12881036 is a wasteful number, since it uses less digits than its factorization.

12881036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27089 (or 27087 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12881036 is about 3589.0160211401. The cubic root of 12881036 is about 234.4140282503.

Adding to 12881036 its reverse (63018821), we get a palindrome (75899857).

The spelling of 12881036 in words is "twelve million, eight hundred eighty-one thousand, thirty-six".