11995648 has 40 divisors (see below), whose sum is σ = 27400032. Its totient is φ = 5139456.

The previous prime is 11995639. The next prime is 11995651. The reversal of 11995648 is 84659911.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911 + ... + 5257.

Almost surely, 2^11995648 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 11995648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13700016).

11995648 is an abundant number, since it is smaller than the sum of its proper divisors (15404384).

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

11995648 is an frugal number, since it uses more digits than its factorization.

11995648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372 (or 3356 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 11995648 is about 3463.4734010816. The cubic root of 11995648 is about 228.9151685176.

The spelling of 11995648 in words is "eleven million, nine hundred ninety-five thousand, six hundred forty-eight".