12199331 has 2 divisors, whose sum is σ = 12199332. Its totient is φ = 12199330.

The previous prime is 12199321. The next prime is 12199333. The reversal of 12199331 is 13399121.

12199331 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (13399121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12199331 - 2²² = 8005027 is a prime.

It is a super-2 number, since 2×12199331² = 297647353695122, which contains 22 as substring.

Together with 12199333, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 12199331 parts by 4939 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 12199294 and 12199303.

It is not a weakly prime, because it can be changed into another prime (12199333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099665 + 6099666.

It is an arithmetic number, because the mean of its divisors is an integer number (6099666).

Almost surely, 2^12199331 is an apocalyptic number.

12199331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12199331 is an equidigital number, since it uses as much as digits as its factorization.

12199331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The square root of 12199331 is about 3492.7540709303. The cubic root of 12199331 is about 230.2035438236.

The spelling of 12199331 in words is "twelve million, one hundred ninety-nine thousand, three hundred thirty-one".