12685275 has 24 divisors (see below), whose sum is σ = 23304560. Its totient is φ = 6765120.

The previous prime is 12685273. The next prime is 12685291. The reversal of 12685275 is 57258621.

It is a happy number.

12685275 is a `hidden beast` number, since 126 + 8 + 527 + 5 = 666.

It is not a de Polignac number, because 12685275 - 2¹ = 12685273 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12685273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8722 + ... + 10071.

Almost surely, 2^12685275 is an apocalyptic number.

12685275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12685275 is a deficient number, since it is larger than the sum of its proper divisors (10619285).

12685275 is a wasteful number, since it uses less digits than its factorization.

12685275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18812 (or 18801 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 12685275 is about 3561.6393697285. The cubic root of 12685275 is about 233.2204499325.

The spelling of 12685275 in words is "twelve million, six hundred eighty-five thousand, two hundred seventy-five".