12695047 has 4 divisors (see below), whose sum is σ = 12795136. Its totient is φ = 12594960.

The previous prime is 12695041. The next prime is 12695077. The reversal of 12695047 is 74059621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12695047 - 2²³ = 4306439 is a prime.

It is a super-2 number, since 2×12695047² = 322328436664418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12695041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49854 + ... + 50107.

It is an arithmetic number, because the mean of its divisors is an integer number (3198784).

Almost surely, 2^12695047 is an apocalyptic number.

12695047 is a deficient number, since it is larger than the sum of its proper divisors (100089).

12695047 is an equidigital number, since it uses as much as digits as its factorization.

12695047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100088.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12695047 is about 3563.0109458154. The cubic root of 12695047 is about 233.2803210633.

The spelling of 12695047 in words is "twelve million, six hundred ninety-five thousand, forty-seven".