12206387 has 8 divisors (see below), whose sum is σ = 12375840. Its totient is φ = 12038400.

The previous prime is 12206371. The next prime is 12206393. The reversal of 12206387 is 78360221.

It is a happy number.

12206387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12206387 - 2⁴ = 12206371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12209387) 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 7 ways as a sum of consecutive naturals, for example, 34403 + ... + 34755.

It is an arithmetic number, because the mean of its divisors is an integer number (1546980).

Almost surely, 2^12206387 is an apocalyptic number.

12206387 is a deficient number, since it is larger than the sum of its proper divisors (169453).

12206387 is a wasteful number, since it uses less digits than its factorization.

12206387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12206387 is about 3493.7640160721. The cubic root of 12206387 is about 230.2479179274.

The spelling of 12206387 in words is "twelve million, two hundred six thousand, three hundred eighty-seven".