12652878 has 24 divisors (see below), whose sum is σ = 29437992. Its totient is φ = 3615024.

The previous prime is 12652873. The next prime is 12652891. The reversal of 12652878 is 87825621.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21225 + ... + 21812.

It is an arithmetic number, because the mean of its divisors is an integer number (1226583).

Almost surely, 2^12652878 is an apocalyptic number.

12652878 is an abundant number, since it is smaller than the sum of its proper divisors (16785114).

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

12652878 is a wasteful number, since it uses less digits than its factorization.

12652878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43056 (or 43049 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 12652878 is about 3557.0884161066. The cubic root of 12652878 is about 233.0217396381.

It can be divided in two parts, 12652 and 878, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 12652878 in words is "twelve million, six hundred fifty-two thousand, eight hundred seventy-eight".