12119985 has 12 divisors (see below), whose sum is σ = 21008052. Its totient is φ = 6463968.

The previous prime is 12119983. The next prime is 12119993. The reversal of 12119985 is 58991121.

It can be written as a sum of positive squares in 2 ways, for example, as 2178576 + 9941409 = 1476^2 + 3153^2 .

It is not a de Polignac number, because 12119985 - 2¹ = 12119983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12119983) 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, 134622 + ... + 134711.

It is an arithmetic number, because the mean of its divisors is an integer number (1750671).

Almost surely, 2^12119985 is an apocalyptic number.

12119985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12119985 is a deficient number, since it is larger than the sum of its proper divisors (8888067).

12119985 is a wasteful number, since it uses less digits than its factorization.

12119985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269344 (or 269341 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 12119985 is about 3481.3768827865. The cubic root of 12119985 is about 229.7033668062.

The spelling of 12119985 in words is "twelve million, one hundred nineteen thousand, nine hundred eighty-five".