12248520 has 32 divisors (see below), whose sum is σ = 36745920. Its totient is φ = 3266240.

The previous prime is 12248519. The next prime is 12248557. The reversal of 12248520 is 2584221.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 50916 + ... + 51155.

It is an arithmetic number, because the mean of its divisors is an integer number (1148310).

Almost surely, 2^12248520 is an apocalyptic number.

12248520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12248520 is an abundant number, since it is smaller than the sum of its proper divisors (24497400).

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

12248520 is a wasteful number, since it uses less digits than its factorization.

12248520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102085 (or 102081 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12248520 is about 3499.7885650422. The cubic root of 12248520 is about 230.5125306294.

The spelling of 12248520 in words is "twelve million, two hundred forty-eight thousand, five hundred twenty".