12199349 has 4 divisors (see below), whose sum is σ = 12841440. Its totient is φ = 11557260.

The previous prime is 12199333. The next prime is 12199351. The reversal of 12199349 is 94399121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94399121 = 739 ⋅127739.

It is a cyclic number.

It is not a de Polignac number, because 12199349 - 2⁴ = 12199333 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 (12199549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321017 + ... + 321054.

It is an arithmetic number, because the mean of its divisors is an integer number (3210360).

Almost surely, 2^12199349 is an apocalyptic number.

12199349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12199349 is a deficient number, since it is larger than the sum of its proper divisors (642091).

12199349 is an equidigital number, since it uses as much as digits as its factorization.

12199349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642090.

The product of its digits is 17496, while the sum is 38.

The square root of 12199349 is about 3492.7566476925. The cubic root of 12199349 is about 230.2036570446.

The spelling of 12199349 in words is "twelve million, one hundred ninety-nine thousand, three hundred forty-nine".