12746775 has 12 divisors (see below), whose sum is σ = 21074792. Its totient is φ = 6798240.

The previous prime is 12746771. The next prime is 12746779. The reversal of 12746775 is 57764721.

It is an interprime number because it is at equal distance from previous prime (12746771) and next prime (12746779).

It is not a de Polignac number, because 12746775 - 2² = 12746771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84904 + ... + 85053.

Almost surely, 2^12746775 is an apocalyptic number.

12746775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12746775 is a deficient number, since it is larger than the sum of its proper divisors (8328017).

12746775 is a wasteful number, since it uses less digits than its factorization.

12746775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169970 (or 169965 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 12746775 is about 3570.2625953843. The cubic root of 12746775 is about 233.5967376847.

The spelling of 12746775 in words is "twelve million, seven hundred forty-six thousand, seven hundred seventy-five".