12694869671 has 8 divisors (see below), whose sum is σ = 14015804544. Its totient is φ = 11401744120.

The previous prime is 12694869653. The next prime is 12694869673. The reversal of 12694869671 is 17696849621.

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 12694869671 - 2²² = 12690675367 is a prime.

It is a super-2 number, since 2×12694869671² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12694869671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694869673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6951371 + ... + 6953196.

It is an arithmetic number, because the mean of its divisors is an integer number (1751975568).

Almost surely, 2^12694869671 is an apocalyptic number.

12694869671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12694869671 is a deficient number, since it is larger than the sum of its proper divisors (1320934873).

12694869671 is a wasteful number, since it uses less digits than its factorization.

12694869671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904661.

The product of its digits is 7838208, while the sum is 59.

The spelling of 12694869671 in words is "twelve billion, six hundred ninety-four million, eight hundred sixty-nine thousand, six hundred seventy-one".