12980749 has 2 divisors, whose sum is σ = 12980750. Its totient is φ = 12980748.

The previous prime is 12980729. The next prime is 12980753. The reversal of 12980749 is 94708921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7387524 + 5593225 = 2718^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 12980749 - 2¹⁷ = 12849677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12980729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6490374 + 6490375.

It is an arithmetic number, because the mean of its divisors is an integer number (6490375).

Almost surely, 2^12980749 is an apocalyptic number.

It is an amenable number.

12980749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12980749 is an equidigital number, since it uses as much as digits as its factorization.

12980749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12980749 is about 3602.8806530331. The cubic root of 12980749 is about 235.0173459356.

The spelling of 12980749 in words is "twelve million, nine hundred eighty thousand, seven hundred forty-nine".