12097279 has 2 divisors, whose sum is σ = 12097280. Its totient is φ = 12097278.

The previous prime is 12097273. The next prime is 12097307. The reversal of 12097279 is 97279021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12097279 - 2³ = 12097271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12097271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6048639 + 6048640.

It is an arithmetic number, because the mean of its divisors is an integer number (6048640).

Almost surely, 2^12097279 is an apocalyptic number.

12097279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12097279 is an equidigital number, since it uses as much as digits as its factorization.

12097279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 12097279 is about 3478.1142879440. The cubic root of 12097279 is about 229.5598323849.

The spelling of 12097279 in words is "twelve million, ninety-seven thousand, two hundred seventy-nine".