12729020 has 24 divisors (see below), whose sum is σ = 26980800. Its totient is φ = 5044032.

The previous prime is 12728987. The next prime is 12729029. The reversal of 12729020 is 2092721.

12729020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12729029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (1124200).

Almost surely, 2^12729020 is an apocalyptic number.

12729020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12729020 is an abundant number, since it is smaller than the sum of its proper divisors (14251780).

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

12729020 is a wasteful number, since it uses less digits than its factorization.

12729020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957 (or 5955 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12729020 is about 3567.7752171346. The cubic root of 12729020 is about 233.4882282183.

The spelling of 12729020 in words is "twelve million, seven hundred twenty-nine thousand, twenty".