12481620 has 48 divisors (see below), whose sum is σ = 35121408. Its totient is φ = 3312000.

The previous prime is 12481619. The next prime is 12481633. The reversal of 12481620 is 2618421.

It is a congruent number.

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, 16245 + ... + 16995.

It is an arithmetic number, because the mean of its divisors is an integer number (731696).

Almost surely, 2^12481620 is an apocalyptic number.

12481620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12481620 is an abundant number, since it is smaller than the sum of its proper divisors (22639788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12481620 is a wasteful number, since it uses less digits than its factorization.

12481620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12481620 is about 3532.9336251903. The cubic root of 12481620 is about 231.9656360121.

The spelling of 12481620 in words is "twelve million, four hundred eighty-one thousand, six hundred twenty".