12696385 has 8 divisors (see below), whose sum is σ = 16407720. Its totient is φ = 9375744.

The previous prime is 12696377. The next prime is 12696413. The reversal of 12696385 is 58369621.

It can be written as a sum of positive squares in 4 ways, for example, as 355216 + 12341169 = 596^2 + 3513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12696385 - 2³ = 12696377 is a prime.

It is a super-2 number, since 2×12696385² = 322396384136450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97600 + ... + 97729.

It is an arithmetic number, because the mean of its divisors is an integer number (2050965).

Almost surely, 2^12696385 is an apocalyptic number.

It is an amenable number.

12696385 is a deficient number, since it is larger than the sum of its proper divisors (3711335).

12696385 is a wasteful number, since it uses less digits than its factorization.

12696385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195347.

The product of its digits is 77760, while the sum is 40.

The square root of 12696385 is about 3563.1987034124. The cubic root of 12696385 is about 233.2885163357.

The spelling of 12696385 in words is "twelve million, six hundred ninety-six thousand, three hundred eighty-five".