12285797 has 2 divisors, whose sum is σ = 12285798. Its totient is φ = 12285796.

The previous prime is 12285731. The next prime is 12285803. The reversal of 12285797 is 79758221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 410881 = 3446^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 12285797 - 2⁸ = 12285541 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12285397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142898 + 6142899.

It is an arithmetic number, because the mean of its divisors is an integer number (6142899).

Almost surely, 2^12285797 is an apocalyptic number.

It is an amenable number.

12285797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12285797 is an equidigital number, since it uses as much as digits as its factorization.

12285797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 12285797 is about 3505.1101266579. The cubic root of 12285797 is about 230.7461401654.

The spelling of 12285797 in words is "twelve million, two hundred eighty-five thousand, seven hundred ninety-seven".