12869538 has 32 divisors (see below), whose sum is σ = 28235520. Its totient is φ = 3878160.

The previous prime is 12869537. The next prime is 12869567. The reversal of 12869538 is 83596821.

12869538 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 a self number, because there is not a number n which added to its sum of digits gives 12869538.

It is not an unprimeable number, because it can be changed into a prime (12869537) 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, 14553 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (882360).

Almost surely, 2^12869538 is an apocalyptic number.

12869538 is an abundant number, since it is smaller than the sum of its proper divisors (15365982).

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

12869538 is a wasteful number, since it uses less digits than its factorization.

12869538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 103680, while the sum is 42.

The square root of 12869538 is about 3587.4138317178. The cubic root of 12869538 is about 234.3442591504.

The spelling of 12869538 in words is "twelve million, eight hundred sixty-nine thousand, five hundred thirty-eight".