11673387 has 24 divisors (see below), whose sum is σ = 18705648. Its totient is φ = 6955200.

The previous prime is 11673383. The next prime is 11673401. The reversal of 11673387 is 78337611.

It is not a de Polignac number, because 11673387 - 2² = 11673383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11673383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5073 + ... + 7005.

It is an arithmetic number, because the mean of its divisors is an integer number (779402).

Almost surely, 2^11673387 is an apocalyptic number.

11673387 is a deficient number, since it is larger than the sum of its proper divisors (7032261).

11673387 is a wasteful number, since it uses less digits than its factorization.

11673387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2008 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 11673387 is about 3416.6338697613. The cubic root of 11673387 is about 226.8466105223.

It can be divided in two parts, 1167 and 3387, that added together give a palindrome (4554).

The spelling of 11673387 in words is "eleven million, six hundred seventy-three thousand, three hundred eighty-seven".