12529140 has 48 divisors (see below), whose sum is σ = 37782528. Its totient is φ = 3083904.

The previous prime is 12529117. The next prime is 12529159. The reversal of 12529140 is 4192521.

It is a self number, because there is not a number n which added to its sum of digits gives 12529140.

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, 7252 + ... + 8811.

It is an arithmetic number, because the mean of its divisors is an integer number (787136).

Almost surely, 2^12529140 is an apocalyptic number.

12529140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12529140 is an abundant number, since it is smaller than the sum of its proper divisors (25253388).

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

12529140 is a wasteful number, since it uses less digits than its factorization.

12529140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088 (or 16086 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12529140 is about 3539.6525253194. The cubic root of 12529140 is about 232.2596429229.

The spelling of 12529140 in words is "twelve million, five hundred twenty-nine thousand, one hundred forty".