12743506 has 16 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 5911360.

The previous prime is 12743483. The next prime is 12743513. The reversal of 12743506 is 60534721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (1283040).

Almost surely, 2^12743506 is an apocalyptic number.

12743506 is a deficient number, since it is larger than the sum of its proper divisors (7785134).

12743506 is a wasteful number, since it uses less digits than its factorization.

12743506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12743506 is about 3569.8047565658. The cubic root of 12743506 is about 233.5767668026.

It can be divided in two parts, 1274 and 3506, that multiplied together give a palindrome (4466644).

The spelling of 12743506 in words is "twelve million, seven hundred forty-three thousand, five hundred six".