11949648 has 40 divisors (see below), whose sum is σ = 31182528. Its totient is φ = 3942912.

The previous prime is 11949643. The next prime is 11949649. The reversal of 11949648 is 84694911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949643) by changing a digit.

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, 3736 + ... + 6152.

Almost surely, 2^11949648 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 11949648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15591264).

11949648 is an abundant number, since it is smaller than the sum of its proper divisors (19232880).

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

11949648 is a wasteful number, since it uses less digits than its factorization.

11949648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531 (or 2525 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 11949648 is about 3456.8262901106. The cubic root of 11949648 is about 228.6221848592.

The spelling of 11949648 in words is "eleven million, nine hundred forty-nine thousand, six hundred forty-eight".