12448920 has 64 divisors (see below), whose sum is σ = 40746240. Its totient is φ = 3017600.

The previous prime is 12448903. The next prime is 12448939. The reversal of 12448920 is 2984421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3396 + ... + 6035.

It is an arithmetic number, because the mean of its divisors is an integer number (636660).

Almost surely, 2^12448920 is an apocalyptic number.

12448920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12448920 is an abundant number, since it is smaller than the sum of its proper divisors (28297320).

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

12448920 is a wasteful number, since it uses less digits than its factorization.

12448920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12448920 is about 3528.3027081020. The cubic root of 12448920 is about 231.7628869550.

The spelling of 12448920 in words is "twelve million, four hundred forty-eight thousand, nine hundred twenty".