12495984 has 80 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 3915520.

The previous prime is 12495971. The next prime is 12495991. The reversal of 12495984 is 48959421.

It is a super-2 number, since 2×12495984² = 312299232256512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65329 + ... + 65519.

It is an arithmetic number, because the mean of its divisors is an integer number (428544).

Almost surely, 2^12495984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12495984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17141760).

12495984 is an abundant number, since it is smaller than the sum of its proper divisors (21787536).

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

12495984 is a wasteful number, since it uses less digits than its factorization.

12495984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

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

The square root of 12495984 is about 3534.9659121412. The cubic root of 12495984 is about 232.0545848574.

The spelling of 12495984 in words is "twelve million, four hundred ninety-five thousand, nine hundred eighty-four".