12269985 has 64 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 5068800.

The previous prime is 12269981. The next prime is 12269989. The reversal of 12269985 is 58996221.

It is an interprime number because it is at equal distance from previous prime (12269981) and next prime (12269989).

It is not a de Polignac number, because 12269985 - 2² = 12269981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12269981) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 121435 + ... + 121535.

It is an arithmetic number, because the mean of its divisors is an integer number (385560).

Almost surely, 2^12269985 is an apocalyptic number.

12269985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12269985 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12269985 is a wasteful number, since it uses less digits than its factorization.

12269985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its digits is 77760, while the sum is 42.

The square root of 12269985 is about 3502.8538365167. The cubic root of 12269985 is about 230.6471064509.

It can be divided in two parts, 1226 and 9985, that added together give a palindrome (11211).

The spelling of 12269985 in words is "twelve million, two hundred sixty-nine thousand, nine hundred eighty-five".