12936745 has 8 divisors (see below), whose sum is σ = 16437384. Its totient is φ = 9740544.

The previous prime is 12936743. The next prime is 12936751. The reversal of 12936745 is 54763921.

It can be written as a sum of positive squares in 4 ways, for example, as 3810304 + 9126441 = 1952^2 + 3021^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12936745 - 2¹ = 12936743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12936743) by changing a digit.

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, 76014 + ... + 76183.

It is an arithmetic number, because the mean of its divisors is an integer number (2054673).

Almost surely, 2^12936745 is an apocalyptic number.

It is an amenable number.

12936745 is a deficient number, since it is larger than the sum of its proper divisors (3500639).

12936745 is a wasteful number, since it uses less digits than its factorization.

12936745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152219.

The product of its digits is 45360, while the sum is 37.

The square root of 12936745 is about 3596.7686886982. The cubic root of 12936745 is about 234.7514801452.

The spelling of 12936745 in words is "twelve million, nine hundred thirty-six thousand, seven hundred forty-five".