12966497 has 2 divisors, whose sum is σ = 12966498.
Its totient is φ = 12966496.
The previous prime is 12966491. The next prime is 12966557. The reversal of 12966497 is 79466921.
12966497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12453841 + 512656 = 3529^2 + 716^2
It is a cyclic number.
It is not a de Polignac number, because 12966497 - 26 = 12966433 is a prime.
It is not a weakly prime, because it can be changed into another prime (12966491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6483248 + 6483249.
It is an arithmetic number, because the mean of its divisors is an integer number (6483249).
Almost surely, 212966497 is an apocalyptic number.
It is an amenable number.
12966497 is a deficient number, since it is larger than the sum of its proper divisors (1).
12966497 is an equidigital number, since it uses as much as digits as its factorization.
12966497 is an evil number, because the sum of its binary digits is even.
The product of its digits is 163296, while the sum is 44.
The square root of 12966497 is about 3600.9022480484.
The cubic root of 12966497 is about 234.9313032942.
The spelling of 12966497 in words is "twelve million, nine hundred sixty-six thousand, four hundred ninety-seven".