12250388 has 12 divisors (see below), whose sum is σ = 21496020. Its totient is φ = 6108672.

The previous prime is 12250379. The next prime is 12250393. The reversal of 12250388 is 88305221.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 10876804 = 1172^2 + 3298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12250388.

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 3 ways as a sum of consecutive naturals, for example, 2381 + ... + 5492.

It is an arithmetic number, because the mean of its divisors is an integer number (1791335).

Almost surely, 2^12250388 is an apocalyptic number.

It is an amenable number.

12250388 is a deficient number, since it is larger than the sum of its proper divisors (9245632).

12250388 is a wasteful number, since it uses less digits than its factorization.

12250388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266 (or 8264 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 12250388 is about 3500.0554281325. The cubic root of 12250388 is about 230.5242483858.

The spelling of 12250388 in words is "twelve million, two hundred fifty thousand, three hundred eighty-eight".