12881407 has 16 divisors (see below), whose sum is σ = 16169472. Its totient is φ = 9969120.

The previous prime is 12881387. The next prime is 12881417. The reversal of 12881407 is 70418821.

It is not a de Polignac number, because 12881407 - 2¹⁹ = 12357119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12838 + ... + 13804.

It is an arithmetic number, because the mean of its divisors is an integer number (1010592).

Almost surely, 2^12881407 is an apocalyptic number.

12881407 is a deficient number, since it is larger than the sum of its proper divisors (3288065).

12881407 is a wasteful number, since it uses less digits than its factorization.

12881407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12881407 is about 3589.0677062435. The cubic root of 12881407 is about 234.4162787620.

The spelling of 12881407 in words is "twelve million, eight hundred eighty-one thousand, four hundred seven".