12669760 has 84 divisors (see below), whose sum is σ = 32282892. Its totient is φ = 4734976.

The previous prime is 12669707. The next prime is 12669791. The reversal of 12669760 is 6796621.

It can be written as a sum of positive squares in 6 ways, for example, as 891136 + 11778624 = 944^2 + 3432^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92412 + ... + 92548.

Almost surely, 2^12669760 is an apocalyptic number.

12669760 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 12669760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16141446).

12669760 is an abundant number, since it is smaller than the sum of its proper divisors (19613132).

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

12669760 is a wasteful number, since it uses less digits than its factorization.

12669760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 12669760 is about 3559.4606332983. The cubic root of 12669760 is about 233.1253293701.

It can be divided in two parts, 1266 and 9760, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 12669760 in words is "twelve million, six hundred sixty-nine thousand, seven hundred sixty".