11642648 has 16 divisors (see below), whose sum is σ = 21908880. Its totient is φ = 5800288.

The previous prime is 11642641. The next prime is 11642677. The reversal of 11642648 is 84624611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642641) 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 3 ways as a sum of consecutive naturals, for example, 140 + ... + 4827.

It is an arithmetic number, because the mean of its divisors is an integer number (1369305).

Almost surely, 2^11642648 is an apocalyptic number.

It is an amenable number.

11642648 is a deficient number, since it is larger than the sum of its proper divisors (10266232).

11642648 is a wasteful number, since it uses less digits than its factorization.

11642648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266 (or 5262 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 11642648 is about 3412.1324710509. The cubic root of 11642648 is about 226.6473205326.

The spelling of 11642648 in words is "eleven million, six hundred forty-two thousand, six hundred forty-eight".