12969129 has 16 divisors (see below), whose sum is σ = 18337280. Its totient is φ = 8138880.

The previous prime is 12969127. The next prime is 12969137. The reversal of 12969129 is 92196921.

12969129 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 12969129 - 2¹ = 12969127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12969127) 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, 1557 + ... + 5325.

It is an arithmetic number, because the mean of its divisors is an integer number (1146080).

Almost surely, 2^12969129 is an apocalyptic number.

It is an amenable number.

12969129 is a deficient number, since it is larger than the sum of its proper divisors (5368151).

12969129 is a wasteful number, since it uses less digits than its factorization.

12969129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its digits is 17496, while the sum is 39.

The square root of 12969129 is about 3601.2676934657. The cubic root of 12969129 is about 234.9471980358.

It can be divided in two parts, 1296912 and 9, that added together give a palindrome (1296921).

The spelling of 12969129 in words is "twelve million, nine hundred sixty-nine thousand, one hundred twenty-nine".