12011385 has 8 divisors (see below), whose sum is σ = 19218240. Its totient is φ = 6406064.

The previous prime is 12011371. The next prime is 12011387. The reversal of 12011385 is 58311021.

12011385 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011385 - 2⁷ = 12011257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400365 + ... + 400394.

It is an arithmetic number, because the mean of its divisors is an integer number (2402280).

Almost surely, 2^12011385 is an apocalyptic number.

12011385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12011385 is a deficient number, since it is larger than the sum of its proper divisors (7206855).

12011385 is an equidigital number, since it uses as much as digits as its factorization.

12011385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800767.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 12011385 is about 3465.7445087600. The cubic root of 12011385 is about 229.0152288011.

The spelling of 12011385 in words is "twelve million, eleven thousand, three hundred eighty-five".