12199447 has 8 divisors (see below), whose sum is σ = 13178816. Its totient is φ = 11225952.

The previous prime is 12199403. The next prime is 12199457. The reversal of 12199447 is 74499121.

12199447 is digitally balanced in base 2, 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 12199447 - 2¹¹ = 12197399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199457) 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, 3493 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (1647352).

Almost surely, 2^12199447 is an apocalyptic number.

12199447 is a deficient number, since it is larger than the sum of its proper divisors (979369).

12199447 is a wasteful number, since it uses less digits than its factorization.

12199447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937.

The product of its digits is 18144, while the sum is 37.

The square root of 12199447 is about 3492.7706766978. The cubic root of 12199447 is about 230.2042734682.

The spelling of 12199447 in words is "twelve million, one hundred ninety-nine thousand, four hundred forty-seven".