12732745 has 16 divisors (see below), whose sum is σ = 16295040. Its totient is φ = 9517824.

The previous prime is 12732743. The next prime is 12732749. The reversal of 12732745 is 54723721.

It is not a de Polignac number, because 12732745 - 2¹ = 12732743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12732743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13396 + ... + 14314.

It is an arithmetic number, because the mean of its divisors is an integer number (1018440).

Almost surely, 2^12732745 is an apocalyptic number.

It is an amenable number.

12732745 is a deficient number, since it is larger than the sum of its proper divisors (3562295).

12732745 is a wasteful number, since it uses less digits than its factorization.

12732745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its digits is 11760, while the sum is 31.

The square root of 12732745 is about 3568.2972129575. The cubic root of 12732745 is about 233.5110018705.

The spelling of 12732745 in words is "twelve million, seven hundred thirty-two thousand, seven hundred forty-five".