12387011 has 16 divisors (see below), whose sum is σ = 15740928. Its totient is φ = 9482400.

The previous prime is 12387007. The next prime is 12387019. The reversal of 12387011 is 11078321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12387011 - 2² = 12387007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12387019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (983808).

Almost surely, 2^12387011 is an apocalyptic number.

12387011 is a deficient number, since it is larger than the sum of its proper divisors (3353917).

12387011 is a wasteful number, since it uses less digits than its factorization.

12387011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12387011 is about 3519.5185750327. The cubic root of 12387011 is about 231.3780594828.

The spelling of 12387011 in words is "twelve million, three hundred eighty-seven thousand, eleven".