12420097 has 2 divisors, whose sum is σ = 12420098. Its totient is φ = 12420096.

The previous prime is 12420059. The next prime is 12420131. The reversal of 12420097 is 79002421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 1521 = 3524^2 + 39^2 .

It is a cyclic number.

It is not a de Polignac number, because 12420097 - 2⁷ = 12419969 is a prime.

It is not a weakly prime, because it can be changed into another prime (12420017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210048 + 6210049.

It is an arithmetic number, because the mean of its divisors is an integer number (6210049).

Almost surely, 2^12420097 is an apocalyptic number.

It is an amenable number.

12420097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420097 is an equidigital number, since it uses as much as digits as its factorization.

12420097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12420097 is about 3524.2157992949. The cubic root of 12420097 is about 231.5838817665.

It can be divided in two parts, 124 and 20097, that multiplied together give a triangular number (2492028 = T₂₂₃₂).

The spelling of 12420097 in words is "twelve million, four hundred twenty thousand, ninety-seven".