12481810 has 32 divisors (see below), whose sum is σ = 24665472. Its totient is φ = 4510080.

The previous prime is 12481793. The next prime is 12481823. The reversal of 12481810 is 1818421.

It is a super-2 number, since 2×12481810² = 311591161752200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25387 + ... + 25873.

It is an arithmetic number, because the mean of its divisors is an integer number (770796).

Almost surely, 2^12481810 is an apocalyptic number.

12481810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12481810 is a deficient number, since it is larger than the sum of its proper divisors (12183662).

12481810 is a wasteful number, since it uses less digits than its factorization.

12481810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 12481810 is about 3532.9605149223. The cubic root of 12481810 is about 231.9668130294.

The spelling of 12481810 in words is "twelve million, four hundred eighty-one thousand, eight hundred ten".