12575417 has 2 divisors, whose sum is σ = 12575418. Its totient is φ = 12575416.

The previous prime is 12575399. The next prime is 12575419. The reversal of 12575417 is 71457521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 1157776 = 3379^2 + 1076^2 .

It is an emirp because it is prime and its reverse (71457521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12575417 is a prime.

It is a super-2 number, since 2×12575417² = 316282225447778, which contains 22 as substring.

Together with 12575419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12575419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287708 + 6287709.

It is an arithmetic number, because the mean of its divisors is an integer number (6287709).

Almost surely, 2^12575417 is an apocalyptic number.

It is an amenable number.

12575417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12575417 is an equidigital number, since it uses as much as digits as its factorization.

12575417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9800, while the sum is 32.

The square root of 12575417 is about 3546.1834413916. The cubic root of 12575417 is about 232.5452457517.

The spelling of 12575417 in words is "twelve million, five hundred seventy-five thousand, four hundred seventeen".