12905529 has 32 divisors (see below), whose sum is σ = 21713664. Its totient is φ = 6635520.

The previous prime is 12905527. The next prime is 12905539. The reversal of 12905529 is 92550921.

12905529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12905529 - 2¹ = 12905527 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12905529.

It is not an unprimeable number, because it can be changed into a prime (12905521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10617 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (678552).

Almost surely, 2^12905529 is an apocalyptic number.

It is an amenable number.

12905529 is a deficient number, since it is larger than the sum of its proper divisors (8808135).

12905529 is a wasteful number, since it uses less digits than its factorization.

12905529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 12905529 is about 3592.4266172046. The cubic root of 12905529 is about 234.5625118433.

The spelling of 12905529 in words is "twelve million, nine hundred five thousand, five hundred twenty-nine".