12529940 has 24 divisors (see below), whose sum is σ = 27457920. Its totient is φ = 4793888.

The previous prime is 12529927. The next prime is 12529961. The reversal of 12529940 is 4992521.

12529940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12529897 and 12529906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13160 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (1144080).

Almost surely, 2^12529940 is an apocalyptic number.

12529940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12529940 is an abundant number, since it is smaller than the sum of its proper divisors (14927980).

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

12529940 is a wasteful number, since it uses less digits than its factorization.

12529940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271 (or 27269 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 12529940 is about 3539.7655289581. The cubic root of 12529940 is about 232.2645861661.

The spelling of 12529940 in words is "twelve million, five hundred twenty-nine thousand, nine hundred forty".