12759545 has 12 divisors (see below), whose sum is σ = 16162020. Its totient is φ = 9669024.

The previous prime is 12759533. The next prime is 12759557. The reversal of 12759545 is 54595721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12759533) and next prime (12759557).

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 8231161 = 2128^2 + 2869^2 .

It is not a de Polignac number, because 12759545 - 2⁴ = 12759529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12759499 and 12759508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1730 + ... + 5339.

It is an arithmetic number, because the mean of its divisors is an integer number (1346835).

Almost surely, 2^12759545 is an apocalyptic number.

It is an amenable number.

12759545 is a deficient number, since it is larger than the sum of its proper divisors (3402475).

12759545 is an equidigital number, since it uses as much as digits as its factorization.

12759545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112 (or 7093 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 12759545 is about 3572.0505315575. The cubic root of 12759545 is about 233.6747191019.

The spelling of 12759545 in words is "twelve million, seven hundred fifty-nine thousand, five hundred forty-five".