12605069 has 2 divisors, whose sum is σ = 12605070. Its totient is φ = 12605068.

The previous prime is 12605051. The next prime is 12605077. The reversal of 12605069 is 96050621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11812969 + 792100 = 3437^2 + 890^2 .

It is an emirp because it is prime and its reverse (96050621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12605069 is a prime.

It is a super-2 number, since 2×12605069² = 317775528989522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12605039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302534 + 6302535.

It is an arithmetic number, because the mean of its divisors is an integer number (6302535).

Almost surely, 2^12605069 is an apocalyptic number.

It is an amenable number.

12605069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12605069 is an equidigital number, since it uses as much as digits as its factorization.

12605069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 12605069 is about 3550.3618125481. The cubic root of 12605069 is about 232.7278777089.

The spelling of 12605069 in words is "twelve million, six hundred five thousand, sixty-nine".