12881330 has 32 divisors (see below), whose sum is σ = 28909440. Its totient is φ = 4014720.

The previous prime is 12881329. The next prime is 12881347. The reversal of 12881330 is 3318821.

It is a self number, because there is not a number n which added to its sum of digits gives 12881330.

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 15 ways as a sum of consecutive naturals, for example, 7595 + ... + 9134.

It is an arithmetic number, because the mean of its divisors is an integer number (903420).

Almost surely, 2^12881330 is an apocalyptic number.

12881330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12881330 is an abundant number, since it is smaller than the sum of its proper divisors (16028110).

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

12881330 is a wasteful number, since it uses less digits than its factorization.

12881330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12881330 is about 3589.0569792078. The cubic root of 12881330 is about 234.4158116782.

The spelling of 12881330 in words is "twelve million, eight hundred eighty-one thousand, three hundred thirty".