12258036 has 54 divisors (see below), whose sum is σ = 36049650. Its totient is φ = 3501792.

The previous prime is 12258007. The next prime is 12258041. The reversal of 12258036 is 63085221.

It can be written as a sum of positive squares in only one way, i.e., 11861136 + 396900 = 3444^2 + 630^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1711 + ... + 5238.

Almost surely, 2^12258036 is an apocalyptic number.

It is an amenable number.

12258036 is an abundant number, since it is smaller than the sum of its proper divisors (23791614).

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

12258036 is a wasteful number, since it uses less digits than its factorization.

12258036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 6961 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12258036 is about 3501.1478117897. The cubic root of 12258036 is about 230.5722110213.

It can be divided in two parts, 1225 and 8036, that added together give a cube (9261 = 21³).

The spelling of 12258036 in words is "twelve million, two hundred fifty-eight thousand, thirty-six".