11648940 has 24 divisors (see below), whose sum is σ = 32617200. Its totient is φ = 3106368.

The previous prime is 11648933. The next prime is 11648941. The reversal of 11648940 is 4984611.

It is not an unprimeable number, because it can be changed into a prime (11648941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97015 + ... + 97134.

It is an arithmetic number, because the mean of its divisors is an integer number (1359050).

Almost surely, 2^11648940 is an apocalyptic number.

11648940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11648940 is an abundant number, since it is smaller than the sum of its proper divisors (20968260).

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

11648940 is a wasteful number, since it uses less digits than its factorization.

11648940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194161 (or 194159 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 11648940 is about 3413.0543505781. The cubic root of 11648940 is about 226.6881419484.

The spelling of 11648940 in words is "eleven million, six hundred forty-eight thousand, nine hundred forty".