12924720 has 120 divisors (see below), whose sum is σ = 44974800. Its totient is φ = 3322368.

The previous prime is 12924719. The next prime is 12924721. The reversal of 12924720 is 2742921.

It is an interprime number because it is at equal distance from previous prime (12924719) and next prime (12924721).

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (12924721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20571 + ... + 21189.

It is an arithmetic number, because the mean of its divisors is an integer number (374790).

Almost surely, 2^12924720 is an apocalyptic number.

12924720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12924720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22487400).

12924720 is an abundant number, since it is smaller than the sum of its proper divisors (32050080).

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

12924720 is a wasteful number, since it uses less digits than its factorization.

12924720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12924720 is about 3595.0966607311. The cubic root of 12924720 is about 234.6787219760.

The spelling of 12924720 in words is "twelve million, nine hundred twenty-four thousand, seven hundred twenty".