12881834 has 16 divisors (see below), whose sum is σ = 22134336. Its totient is φ = 5508000.

The previous prime is 12881789. The next prime is 12881839. The reversal of 12881834 is 43818821.

12881834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12881794 and 12881803.

It is not an unprimeable number, because it can be changed into a prime (12881839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7649 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (1383396).

Almost surely, 2^12881834 is an apocalyptic number.

12881834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12881834 is a deficient number, since it is larger than the sum of its proper divisors (9252502).

12881834 is a wasteful number, since it uses less digits than its factorization.

12881834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141.

The product of its digits is 12288, while the sum is 35.

The square root of 12881834 is about 3589.1271919507. The cubic root of 12881834 is about 234.4188689202.

The spelling of 12881834 in words is "twelve million, eight hundred eighty-one thousand, eight hundred thirty-four".