12869056 has 28 divisors (see below), whose sum is σ = 25676352. Its totient is φ = 6399488.

The previous prime is 12869053. The next prime is 12869057. The reversal of 12869056 is 65096821.

It is a super-2 number, since 2×12869056² = 331225204662272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14481 + ... + 15343.

Almost surely, 2^12869056 is an apocalyptic number.

12869056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12869056 is a deficient number, since it is larger than the sum of its proper divisors (12807296).

12869056 is an equidigital number, since it uses as much as digits as its factorization.

12869056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 12869056 is about 3587.3466517748. The cubic root of 12869056 is about 234.3413334991.

The spelling of 12869056 in words is "twelve million, eight hundred sixty-nine thousand, fifty-six".