12653946 has 24 divisors (see below), whose sum is σ = 27540084. Its totient is φ = 4199040.

The previous prime is 12653939. The next prime is 12653957. The reversal of 12653946 is 64935621.

12653946 = T₁₉₆ + T₁₉₇ + ... + T₄₃₆.

It is a happy number.

12653946 is a `hidden beast` number, since 1 + 265 + 394 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9678321 + 2975625 = 3111^2 + 1725^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12653946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2880 + ... + 5796.

Almost surely, 2^12653946 is an apocalyptic number.

12653946 is an abundant number, since it is smaller than the sum of its proper divisors (14886138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12653946 is a wasteful number, since it uses less digits than its factorization.

12653946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166 (or 3163 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 12653946 is about 3557.2385357184. The cubic root of 12653946 is about 233.0282957280.

The spelling of 12653946 in words is "twelve million, six hundred fifty-three thousand, nine hundred forty-six".