12748534 has 8 divisors (see below), whose sum is σ = 19146528. Its totient is φ = 6366360.

The previous prime is 12748513. The next prime is 12748553. The reversal of 12748534 is 43584721.

12748534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12748534.

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, 1677 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (2393316).

Almost surely, 2^12748534 is an apocalyptic number.

12748534 is a deficient number, since it is larger than the sum of its proper divisors (6397994).

12748534 is an equidigital number, since it uses as much as digits as its factorization.

12748534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910.

The product of its digits is 26880, while the sum is 34.

The square root of 12748534 is about 3570.5089273099. The cubic root of 12748534 is about 233.6074823047.

The spelling of 12748534 in words is "twelve million, seven hundred forty-eight thousand, five hundred thirty-four".