12269349 has 18 divisors (see below), whose sum is σ = 18365906. Its totient is φ = 7892640.

The previous prime is 12269321. The next prime is 12269351. The reversal of 12269349 is 94396221.

It can be written as a sum of positive squares in 3 ways, for example, as 3448449 + 8820900 = 1857^2 + 2970^2 .

It is not a de Polignac number, because 12269349 - 2⁸ = 12269093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12269399) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6759 + ... + 8379.

Almost surely, 2^12269349 is an apocalyptic number.

It is an amenable number.

12269349 is a deficient number, since it is larger than the sum of its proper divisors (6096557).

12269349 is a wasteful number, since it uses less digits than its factorization.

12269349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1653 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 12269349 is about 3502.7630522203. The cubic root of 12269349 is about 230.6431212764.

It can be divided in two parts, 12 and 269349, that added together give a square (269361 = 519²).

The spelling of 12269349 in words is "twelve million, two hundred sixty-nine thousand, three hundred forty-nine".