12281734 has 8 divisors (see below), whose sum is σ = 18438840. Its totient is φ = 6135456.

The previous prime is 12281729. The next prime is 12281767. The reversal of 12281734 is 43718221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342 + ... + 5134.

It is an arithmetic number, because the mean of its divisors is an integer number (2304855).

Almost surely, 2^12281734 is an apocalyptic number.

12281734 is a deficient number, since it is larger than the sum of its proper divisors (6157106).

12281734 is a wasteful number, since it uses less digits than its factorization.

12281734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414.

The product of its digits is 2688, while the sum is 28.

The square root of 12281734 is about 3504.5304963718. The cubic root of 12281734 is about 230.7207009005.

Adding to 12281734 its reverse (43718221), we get a palindrome (55999955).

The spelling of 12281734 in words is "twelve million, two hundred eighty-one thousand, seven hundred thirty-four".