12546022 has 4 divisors (see below), whose sum is σ = 18819036. Its totient is φ = 6273010.

The previous prime is 12546019. The next prime is 12546043. The reversal of 12546022 is 22064521.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12545984 and 12546002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3136504 + ... + 3136507.

It is an arithmetic number, because the mean of its divisors is an integer number (4704759).

Almost surely, 2^12546022 is an apocalyptic number.

12546022 is a deficient number, since it is larger than the sum of its proper divisors (6273014).

12546022 is an equidigital number, since it uses as much as digits as its factorization.

12546022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273013.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12546022 is about 3542.0364199144. The cubic root of 12546022 is about 232.3639131156.

The spelling of 12546022 in words is "twelve million, five hundred forty-six thousand, twenty-two".