11939648 has 56 divisors (see below), whose sum is σ = 28041600. Its totient is φ = 4935168.

The previous prime is 11939621. The next prime is 11939659. The reversal of 11939648 is 84693911.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12533 + ... + 13451.

Almost surely, 2^11939648 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 11939648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14020800).

11939648 is an abundant number, since it is smaller than the sum of its proper divisors (16101952).

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

11939648 is an equidigital number, since it uses as much as digits as its factorization.

11939648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 957 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 11939648 is about 3455.3795739397. The cubic root of 11939648 is about 228.5583933042.

The spelling of 11939648 in words is "eleven million, nine hundred thirty-nine thousand, six hundred forty-eight".