12505343 has 8 divisors (see below), whose sum is σ = 12669696. Its totient is φ = 12342400.

The previous prime is 12505331. The next prime is 12505357. The reversal of 12505343 is 34350521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12505343 - 2⁴ = 12505327 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 (12505313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44363 + ... + 44643.

It is an arithmetic number, because the mean of its divisors is an integer number (1583712).

Almost surely, 2^12505343 is an apocalyptic number.

12505343 is a deficient number, since it is larger than the sum of its proper divisors (164353).

12505343 is a wasteful number, since it uses less digits than its factorization.

12505343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 12505343 is about 3536.2894395114. The cubic root of 12505343 is about 232.1125036493.

Adding to 12505343 its reverse (34350521), we get a palindrome (46855864).

The spelling of 12505343 in words is "twelve million, five hundred five thousand, three hundred forty-three".