12199389 has 8 divisors (see below), whose sum is σ = 16415520. Its totient is φ = 8058096.

The previous prime is 12199351. The next prime is 12199393. The reversal of 12199389 is 98399121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12199389 - 2⁷ = 12199261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12199389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18327 + ... + 18980.

It is an arithmetic number, because the mean of its divisors is an integer number (2051940).

Almost surely, 2^12199389 is an apocalyptic number.

It is an amenable number.

12199389 is a deficient number, since it is larger than the sum of its proper divisors (4216131).

12199389 is a wasteful number, since it uses less digits than its factorization.

12199389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37419.

The product of its digits is 34992, while the sum is 42.

The square root of 12199389 is about 3492.7623738239. The cubic root of 12199389 is about 230.2039086465.

The spelling of 12199389 in words is "twelve million, one hundred ninety-nine thousand, three hundred eighty-nine".