12969123 has 16 divisors (see below), whose sum is σ = 17736576. Its totient is φ = 8426880.

The previous prime is 12969097. The next prime is 12969127. The reversal of 12969123 is 32196921.

12969123 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12969123 - 2¹² = 12965027 is a prime.

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, 22428 + ... + 22998.

It is an arithmetic number, because the mean of its divisors is an integer number (1108536).

Almost surely, 2^12969123 is an apocalyptic number.

12969123 is a deficient number, since it is larger than the sum of its proper divisors (4767453).

12969123 is a wasteful number, since it uses less digits than its factorization.

12969123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its digits is 5832, while the sum is 33.

The square root of 12969123 is about 3601.2668604256. The cubic root of 12969123 is about 234.9471618040.

The spelling of 12969123 in words is "twelve million, nine hundred sixty-nine thousand, one hundred twenty-three".