12881562 has 16 divisors (see below), whose sum is σ = 25952832. Its totient is φ = 4262240.

The previous prime is 12881551. The next prime is 12881579. The reversal of 12881562 is 26518821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7014 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (1622052).

Almost surely, 2^12881562 is an apocalyptic number.

12881562 is an abundant number, since it is smaller than the sum of its proper divisors (13071270).

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

12881562 is a wasteful number, since it uses less digits than its factorization.

12881562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813.

The product of its digits is 7680, while the sum is 33.

The square root of 12881562 is about 3589.0892995299. The cubic root of 12881562 is about 234.4172189900.

It can be divided in two parts, 1288 and 1562, that added together give a triangular number (2850 = T₇₅).

The spelling of 12881562 in words is "twelve million, eight hundred eighty-one thousand, five hundred sixty-two".