12869120 has 80 divisors (see below), whose sum is σ = 33734448. Its totient is φ = 4669440.

The previous prime is 12869111. The next prime is 12869141. The reversal of 12869120 is 2196821.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12869120² = 331228499148800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27932 + ... + 28388.

Almost surely, 2^12869120 is an apocalyptic number.

12869120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12869120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16867224).

12869120 is an abundant number, since it is smaller than the sum of its proper divisors (20865328).

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

12869120 is an equidigital number, since it uses as much as digits as its factorization.

12869120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 12869120 is about 3587.3555720057. The cubic root of 12869120 is about 234.3417219715.

The spelling of 12869120 in words is "twelve million, eight hundred sixty-nine thousand, one hundred twenty".