12895694967 has 4 divisors (see below), whose sum is σ = 17194259960. Its totient is φ = 8597129976.

The previous prime is 12895694963. The next prime is 12895694971. The reversal of 12895694967 is 76949659821.

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

It is an interprime number because it is at equal distance from previous prime (12895694963) and next prime (12895694971).

It is not a de Polignac number, because 12895694967 - 2² = 12895694963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12895694898 and 12895694907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12895694963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149282492 + ... + 2149282497.

It is an arithmetic number, because the mean of its divisors is an integer number (4298564990).

Almost surely, 2^12895694967 is an apocalyptic number.

12895694967 is a deficient number, since it is larger than the sum of its proper divisors (4298564993).

12895694967 is an equidigital number, since it uses as much as digits as its factorization.

12895694967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298564992.

The product of its digits is 58786560, while the sum is 66.

The spelling of 12895694967 in words is "twelve billion, eight hundred ninety-five million, six hundred ninety-four thousand, nine hundred sixty-seven".