12722734 has 4 divisors (see below), whose sum is σ = 19084104. Its totient is φ = 6361366.

The previous prime is 12722729. The next prime is 12722737. The reversal of 12722734 is 43722721.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3180682 + ... + 3180685.

It is an arithmetic number, because the mean of its divisors is an integer number (4771026).

Almost surely, 2^12722734 is an apocalyptic number.

12722734 is a deficient number, since it is larger than the sum of its proper divisors (6361370).

12722734 is an equidigital number, since it uses as much as digits as its factorization.

12722734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361369.

The product of its digits is 4704, while the sum is 28.

The square root of 12722734 is about 3566.8941671992. The cubic root of 12722734 is about 233.4497872211.

It can be divided in two parts, 12722 and 734, that added together give a square (13456 = 116²).

The spelling of 12722734 in words is "twelve million, seven hundred twenty-two thousand, seven hundred thirty-four".