12017385 has 48 divisors (see below), whose sum is σ = 23048064. Its totient is φ = 5761536.

The previous prime is 12017381. The next prime is 12017393. The reversal of 12017385 is 58371021.

It is not a de Polignac number, because 12017385 - 2² = 12017381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12017381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17254 + ... + 17936.

It is an arithmetic number, because the mean of its divisors is an integer number (480168).

Almost surely, 2^12017385 is an apocalyptic number.

12017385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12017385 is a deficient number, since it is larger than the sum of its proper divisors (11030679).

12017385 is a wasteful number, since it uses less digits than its factorization.

12017385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12017385 is about 3466.6100155628. The cubic root of 12017385 is about 229.0533554794.

The spelling of 12017385 in words is "twelve million, seventeen thousand, three hundred eighty-five".