12208388 has 12 divisors (see below), whose sum is σ = 21861840. Its totient is φ = 5962152.

The previous prime is 12208381. The next prime is 12208411. The reversal of 12208388 is 88380221.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12208381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35318 + ... + 35661.

It is an arithmetic number, because the mean of its divisors is an integer number (1821820).

Almost surely, 2^12208388 is an apocalyptic number.

It is an amenable number.

12208388 is a deficient number, since it is larger than the sum of its proper divisors (9653452).

12208388 is a wasteful number, since it uses less digits than its factorization.

12208388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71026 (or 71024 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 12208388 is about 3494.0503717033. The cubic root of 12208388 is about 230.2604987976.

The spelling of 12208388 in words is "twelve million, two hundred eight thousand, three hundred eighty-eight".