12313449 has 6 divisors (see below), whose sum is σ = 17786106. Its totient is φ = 8208960.

The previous prime is 12313447. The next prime is 12313451. The reversal of 12313449 is 94431321.

It is an interprime number because it is at equal distance from previous prime (12313447) and next prime (12313451).

It can be written as a sum of positive squares in only one way, i.e., 12299049 + 14400 = 3507^2 + 120^2 .

It is not a de Polignac number, because 12313449 - 2¹ = 12313447 is a prime.

It is a super-3 number, since 3×12313449³ (a number of 22 digits) contains 333 as substring.

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 (12313447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684072 + ... + 684089.

It is an arithmetic number, because the mean of its divisors is an integer number (2964351).

Almost surely, 2^12313449 is an apocalyptic number.

It is an amenable number.

12313449 is a deficient number, since it is larger than the sum of its proper divisors (5472657).

12313449 is a wasteful number, since it uses less digits than its factorization.

12313449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368167 (or 1368164 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12313449 is about 3509.0524361998. The cubic root of 12313449 is about 230.9191261277.

The spelling of 12313449 in words is "twelve million, three hundred thirteen thousand, four hundred forty-nine".