12087648 has 108 divisors (see below), whose sum is σ = 36969660. Its totient is φ = 3735936.

The previous prime is 12087623. The next prime is 12087653. The reversal of 12087648 is 84678021.

12087648 is a `hidden beast` number, since 1 + 2 + 0 + 8 + 7 + 648 = 666.

It is a super-2 number, since 2×12087648² = 292222468343808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 257161 + ... + 257207.

Almost surely, 2^12087648 is an apocalyptic number.

12087648 is a gapful number since it is divisible by the number (18) 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 12087648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18484830).

12087648 is an abundant number, since it is smaller than the sum of its proper divisors (24882012).

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

12087648 is a wasteful number, since it uses less digits than its factorization.

12087648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 12087648 is about 3476.7294976745. The cubic root of 12087648 is about 229.4988964305.

The spelling of 12087648 in words is "twelve million, eighty-seven thousand, six hundred forty-eight".