12011307 has 48 divisors (see below), whose sum is σ = 20939520. Its totient is φ = 5987520.

The previous prime is 12011303. The next prime is 12011309. The reversal of 12011307 is 70311021.

12011307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12011307 - 2² = 12011303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011303) 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, 73608 + ... + 73770.

It is an arithmetic number, because the mean of its divisors is an integer number (436240).

Almost surely, 2^12011307 is an apocalyptic number.

12011307 is a deficient number, since it is larger than the sum of its proper divisors (8928213).

12011307 is a wasteful number, since it uses less digits than its factorization.

12011307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12011307 is about 3465.7332557483. The cubic root of 12011307 is about 229.0147330707.

Adding to 12011307 its reverse (70311021), we get a palindrome (82322328).

The spelling of 12011307 in words is "twelve million, eleven thousand, three hundred seven".