12735469 has 2 divisors, whose sum is σ = 12735470. Its totient is φ = 12735468.

The previous prime is 12735419. The next prime is 12735479. The reversal of 12735469 is 96453721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 26244 = 3565^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 12735469 - 2⁹ = 12734957 is a prime.

It is a super-2 number, since 2×12735469² = 324384341299922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12735419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367734 + 6367735.

It is an arithmetic number, because the mean of its divisors is an integer number (6367735).

Almost surely, 2^12735469 is an apocalyptic number.

It is an amenable number.

12735469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12735469 is an equidigital number, since it uses as much as digits as its factorization.

12735469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 12735469 is about 3568.6788872074. The cubic root of 12735469 is about 233.5276528654.

The spelling of 12735469 in words is "twelve million, seven hundred thirty-five thousand, four hundred sixty-nine".