12385571 has 16 divisors (see below), whose sum is σ = 14463360. Its totient is φ = 10481280.

The previous prime is 12385559. The next prime is 12385579. The reversal of 12385571 is 17558321.

It is a cyclic number.

It is not a de Polignac number, because 12385571 - 2¹⁴ = 12369187 is a prime.

It is a Duffinian number.

12385571 is a modest number, since divided by 5571 gives 1238 as remainder.

It is not an unprimeable number, because it can be changed into a prime (12385579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19700 + ... + 20318.

It is an arithmetic number, because the mean of its divisors is an integer number (903960).

Almost surely, 2^12385571 is an apocalyptic number.

12385571 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12385571 is a deficient number, since it is larger than the sum of its proper divisors (2077789).

12385571 is a wasteful number, since it uses less digits than its factorization.

12385571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its digits is 8400, while the sum is 32.

The square root of 12385571 is about 3519.3139956531. The cubic root of 12385571 is about 231.3690931735.

It can be divided in two parts, 12 and 385571, that added together give a palindrome (385583).

The spelling of 12385571 in words is "twelve million, three hundred eighty-five thousand, five hundred seventy-one".