12843349 has 4 divisors (see below), whose sum is σ = 12852736. Its totient is φ = 12833964.

The previous prime is 12843343. The next prime is 12843377. The reversal of 12843349 is 94334821.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94334821 = 7 ⋅13476403.

It is a cyclic number.

It is not a de Polignac number, because 12843349 - 2¹³ = 12835157 is a prime.

It is a super-2 number, since 2×12843349² = 329903227071602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (3213184).

Almost surely, 2^12843349 is an apocalyptic number.

It is an amenable number.

12843349 is a deficient number, since it is larger than the sum of its proper divisors (9387).

12843349 is an equidigital number, since it uses as much as digits as its factorization.

12843349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9386.

The product of its digits is 20736, while the sum is 34.

The square root of 12843349 is about 3583.7618503466. The cubic root of 12843349 is about 234.1851907744.

The spelling of 12843349 in words is "twelve million, eight hundred forty-three thousand, three hundred forty-nine".