12402617 has 2 divisors, whose sum is σ = 12402618. Its totient is φ = 12402616.

The previous prime is 12402613. The next prime is 12402641. The reversal of 12402617 is 71620421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10374841 + 2027776 = 3221^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 12402617 - 2² = 12402613 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12402592 and 12402601.

It is not a weakly prime, because it can be changed into another prime (12402613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201308 + 6201309.

It is an arithmetic number, because the mean of its divisors is an integer number (6201309).

Almost surely, 2^12402617 is an apocalyptic number.

It is an amenable number.

12402617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402617 is an equidigital number, since it uses as much as digits as its factorization.

12402617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12402617 is about 3521.7349417581. The cubic root of 12402617 is about 231.4751873168.

The spelling of 12402617 in words is "twelve million, four hundred two thousand, six hundred seventeen".