12247075 has 12 divisors (see below), whose sum is σ = 15233400. Its totient is φ = 9767360.

The previous prime is 12247051. The next prime is 12247087. The reversal of 12247075 is 57074221.

It is not a de Polignac number, because 12247075 - 2¹³ = 12238883 is a prime.

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, 11151 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (1269450).

Almost surely, 2^12247075 is an apocalyptic number.

12247075 is a deficient number, since it is larger than the sum of its proper divisors (2986325).

12247075 is a wasteful number, since it uses less digits than its factorization.

12247075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12247075 is about 3499.5821179107. The cubic root of 12247075 is about 230.5034654878.

The spelling of 12247075 in words is "twelve million, two hundred forty-seven thousand, seventy-five".