12503210 has 16 divisors (see below), whose sum is σ = 22572000. Its totient is φ = 4986576.

The previous prime is 12503209. The next prime is 12503213. The reversal of 12503210 is 1230521.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12503213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141 + ... + 5439.

It is an arithmetic number, because the mean of its divisors is an integer number (1410750).

Almost surely, 2^12503210 is an apocalyptic number.

12503210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12503210 is a deficient number, since it is larger than the sum of its proper divisors (10068790).

12503210 is a wasteful number, since it uses less digits than its factorization.

12503210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12503210 is about 3535.9878393456. The cubic root of 12503210 is about 232.0993059806.

Adding to 12503210 its reverse (1230521), we get a palindrome (13733731).

The spelling of 12503210 in words is "twelve million, five hundred three thousand, two hundred ten".