12261349 has 4 divisors (see below), whose sum is σ = 12336736. Its totient is φ = 12185964.

The previous prime is 12261331. The next prime is 12261371. The reversal of 12261349 is 94316221.

12261349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 94316221 = 17 ⋅5548013.

It is a cyclic number.

It is not a de Polignac number, because 12261349 - 2⁹ = 12260837 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 (12261449) 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, 37449 + ... + 37774.

It is an arithmetic number, because the mean of its divisors is an integer number (3084184).

Almost surely, 2^12261349 is an apocalyptic number.

It is an amenable number.

12261349 is a deficient number, since it is larger than the sum of its proper divisors (75387).

12261349 is an equidigital number, since it uses as much as digits as its factorization.

12261349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75386.

The product of its digits is 2592, while the sum is 28.

The square root of 12261349 is about 3501.6209103785. The cubic root of 12261349 is about 230.5929815299.

The spelling of 12261349 in words is "twelve million, two hundred sixty-one thousand, three hundred forty-nine".