12642075 has 36 divisors (see below), whose sum is σ = 23493288. Its totient is φ = 6739200.

The previous prime is 12642061. The next prime is 12642083. The reversal of 12642075 is 57024621.

12642075 is a `hidden beast` number, since 12 + 642 + 0 + 7 + 5 = 666.

12642075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12642075 - 2⁴ = 12642059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5035 + ... + 7115.

Almost surely, 2^12642075 is an apocalyptic number.

12642075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12642075 is a deficient number, since it is larger than the sum of its proper divisors (10851213).

12642075 is an equidigital number, since it uses as much as digits as its factorization.

12642075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12642075 is about 3555.5695746251. The cubic root of 12642075 is about 232.9554029352.

Adding to 12642075 its reverse (57024621), we get a palindrome (69666696).

The spelling of 12642075 in words is "twelve million, six hundred forty-two thousand, seventy-five".