12417397 has 2 divisors, whose sum is σ = 12417398. Its totient is φ = 12417396.

The previous prime is 12417347. The next prime is 12417407. The reversal of 12417397 is 79371421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8259876 + 4157521 = 2874^2 + 2039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12417397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12417347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208698 + 6208699.

It is an arithmetic number, because the mean of its divisors is an integer number (6208699).

Almost surely, 2^12417397 is an apocalyptic number.

It is an amenable number.

12417397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12417397 is an equidigital number, since it uses as much as digits as its factorization.

12417397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 34.

The square root of 12417397 is about 3523.8327145312. The cubic root of 12417397 is about 231.5670992407.

The spelling of 12417397 in words is "twelve million, four hundred seventeen thousand, three hundred ninety-seven".