12529827705 has 16 divisors (see below), whose sum is σ = 20066860800. Its totient is φ = 6676195968.

The previous prime is 12529827701. The next prime is 12529827707. The reversal of 12529827705 is 50772892521.

It is not a de Polignac number, because 12529827705 - 2² = 12529827701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12529827701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382417 + ... + 413886.

It is an arithmetic number, because the mean of its divisors is an integer number (1254178800).

Almost surely, 2^12529827705 is an apocalyptic number.

12529827705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12529827705 is a deficient number, since it is larger than the sum of its proper divisors (7537033095).

12529827705 is a wasteful number, since it uses less digits than its factorization.

12529827705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797360.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 12529827705 in words is "twelve billion, five hundred twenty-nine million, eight hundred twenty-seven thousand, seven hundred five".