12645495 has 24 divisors (see below), whose sum is σ = 22075872. Its totient is φ = 6696000.

The previous prime is 12645487. The next prime is 12645497. The reversal of 12645495 is 59454621.

12645495 is a `hidden beast` number, since 1 + 2 + 645 + 4 + 9 + 5 = 666.

It is not a de Polignac number, because 12645495 - 2³ = 12645487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5865 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (919828).

Almost surely, 2^12645495 is an apocalyptic number.

12645495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12645495 is a deficient number, since it is larger than the sum of its proper divisors (9430377).

12645495 is a wasteful number, since it uses less digits than its factorization.

12645495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2020 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 12645495 is about 3556.0504777070. The cubic root of 12645495 is about 232.9764078110.

The spelling of 12645495 in words is "twelve million, six hundred forty-five thousand, four hundred ninety-five".