12760749 has 12 divisors (see below), whose sum is σ = 18466396. Its totient is φ = 8491392.

The previous prime is 12760733. The next prime is 12760763. The reversal of 12760749 is 94706721.

It is a happy number.

12760749 is a `hidden beast` number, since 1 + 2 + 7 + 607 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3305124 + 9455625 = 1818^2 + 3075^2 .

It is not a de Polignac number, because 12760749 - 2⁴ = 12760733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12760789) by changing a digit.

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, 5877 + ... + 7749.

Almost surely, 2^12760749 is an apocalyptic number.

It is an amenable number.

12760749 is a deficient number, since it is larger than the sum of its proper divisors (5705647).

12760749 is a wasteful number, since it uses less digits than its factorization.

12760749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 12760749 is about 3572.2190582326. The cubic root of 12760749 is about 233.6820687766.

It can be divided in two parts, 12 and 760749, that added together give a triangular number (760761 = T₁₂₃₃).

The spelling of 12760749 in words is "twelve million, seven hundred sixty thousand, seven hundred forty-nine".