12290497 has 2 divisors, whose sum is σ = 12290498. Its totient is φ = 12290496.

The previous prime is 12290491. The next prime is 12290501. The reversal of 12290497 is 79409221.

It is a happy number.

12290497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 5022081 = 2696^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 12290497 - 2³ = 12290489 is a prime.

It is a super-3 number, since 3×12290497³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12290491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6145248 + 6145249.

It is an arithmetic number, because the mean of its divisors is an integer number (6145249).

Almost surely, 2^12290497 is an apocalyptic number.

It is an amenable number.

12290497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12290497 is an equidigital number, since it uses as much as digits as its factorization.

12290497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 12290497 is about 3505.7805122397. The cubic root of 12290497 is about 230.7755608207.

The spelling of 12290497 in words is "twelve million, two hundred ninety thousand, four hundred ninety-seven".