12505310 has 16 divisors (see below), whose sum is σ = 22587552. Its totient is φ = 4984800.

The previous prime is 12505291. The next prime is 12505313. The reversal of 12505310 is 1350521.

It is a super-2 number, since 2×12505310² = 312765556392200, which contains 22 as substring.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1411722).

Almost surely, 2^12505310 is an apocalyptic number.

12505310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12505310 is a deficient number, since it is larger than the sum of its proper divisors (10082242).

12505310 is a wasteful number, since it uses less digits than its factorization.

12505310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 12505310 is about 3536.2847736007. The cubic root of 12505310 is about 232.1122994774.

Adding to 12505310 its reverse (1350521), we get a palindrome (13855831).

The spelling of 12505310 in words is "twelve million, five hundred five thousand, three hundred ten".