12199913 has 8 divisors (see below), whose sum is σ = 13887936. Its totient is φ = 10608400.

The previous prime is 12199909. The next prime is 12199927. The reversal of 12199913 is 31999121.

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

It is not a de Polignac number, because 12199913 - 2² = 12199909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12199903) 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, 23858 + ... + 24363.

It is an arithmetic number, because the mean of its divisors is an integer number (1735992).

Almost surely, 2^12199913 is an apocalyptic number.

It is an amenable number.

12199913 is a deficient number, since it is larger than the sum of its proper divisors (1688023).

12199913 is a wasteful number, since it uses less digits than its factorization.

12199913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48255.

The product of its digits is 4374, while the sum is 35.

The square root of 12199913 is about 3492.8373852786. The cubic root of 12199913 is about 230.2072045799.

The spelling of 12199913 in words is "twelve million, one hundred ninety-nine thousand, nine hundred thirteen".