12985504 has 48 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 5370624.

The previous prime is 12985481. The next prime is 12985523. The reversal of 12985504 is 40558921.

It is a self number, because there is not a number n which added to its sum of digits gives 12985504.

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, 5497 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 2^12985504 is an apocalyptic number.

12985504 is a gapful number since it is divisible by the number (14) 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 12985504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120000).

12985504 is an abundant number, since it is smaller than the sum of its proper divisors (17254496).

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

12985504 is a wasteful number, since it uses less digits than its factorization.

12985504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 12985504 is about 3603.5404812490. The cubic root of 12985504 is about 235.0460389654.

The spelling of 12985504 in words is "twelve million, nine hundred eighty-five thousand, five hundred four".