12500343 has 6 divisors (see below), whose sum is σ = 18056064.
Its totient is φ = 8333556.
The previous prime is 12500329. The next prime is 12500351. The reversal of 12500343 is 34300521.
It is not a de Polignac number, because 12500343 - 28 = 12500087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12500443) 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, 694455 + ... + 694472.
It is an arithmetic number, because the mean of its divisors is an integer number (3009344).
Almost surely, 212500343 is an apocalyptic number.
12500343 is a deficient number, since it is larger than the sum of its proper divisors (5555721).
12500343 is a wasteful number, since it uses less digits than its factorization.
12500343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1388933 (or 1388930 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 12500343 is about 3535.5824131252.
The cubic root of 12500343 is about 232.0815644145.
Adding to 12500343 its reverse (34300521), we get a palindrome (46800864).
The spelling of 12500343 in words is "twelve million, five hundred thousand, three hundred forty-three".