12881742 has 32 divisors (see below), whose sum is σ = 26952480. Its totient is φ = 4099200.

The previous prime is 12881741. The next prime is 12881773. The reversal of 12881742 is 24718821.

It is a happy number.

12881742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881741) 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, 17208 + ... + 17940.

It is an arithmetic number, because the mean of its divisors is an integer number (842265).

Almost surely, 2^12881742 is an apocalyptic number.

12881742 is an abundant number, since it is smaller than the sum of its proper divisors (14070738).

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

12881742 is a wasteful number, since it uses less digits than its factorization.

12881742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868.

The product of its digits is 7168, while the sum is 33.

The square root of 12881742 is about 3589.1143754414. The cubic root of 12881742 is about 234.4183108582.

The spelling of 12881742 in words is "twelve million, eight hundred eighty-one thousand, seven hundred forty-two".