12672749 has 2 divisors, whose sum is σ = 12672750. Its totient is φ = 12672748.

The previous prime is 12672733. The next prime is 12672767. The reversal of 12672749 is 94727621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11682724 + 990025 = 3418^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 12672749 - 2⁴ = 12672733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12674749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336374 + 6336375.

It is an arithmetic number, because the mean of its divisors is an integer number (6336375).

Almost surely, 2^12672749 is an apocalyptic number.

It is an amenable number.

12672749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12672749 is an equidigital number, since it uses as much as digits as its factorization.

12672749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 12672749 is about 3559.8804755216. The cubic root of 12672749 is about 233.1436605992.

The spelling of 12672749 in words is "twelve million, six hundred seventy-two thousand, seven hundred forty-nine".