11650380 has 48 divisors (see below), whose sum is σ = 37282560. Its totient is φ = 2662848.

The previous prime is 11650369. The next prime is 11650381. The reversal of 11650380 is 8305611.

It is a self number, because there is not a number n which added to its sum of digits gives 11650380.

It is not an unprimeable number, because it can be changed into a prime (11650381) 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 15 ways as a sum of consecutive naturals, for example, 13450 + ... + 14289.

It is an arithmetic number, because the mean of its divisors is an integer number (776720).

Almost surely, 2^11650380 is an apocalyptic number.

11650380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11650380 is an abundant number, since it is smaller than the sum of its proper divisors (25632180).

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

11650380 is a wasteful number, since it uses less digits than its factorization.

11650380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27758 (or 27756 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11650380 is about 3413.2652988011. The cubic root of 11650380 is about 226.6974823540.

Adding to 11650380 its reverse (8305611), we get a palindrome (19955991).

The spelling of 11650380 in words is "eleven million, six hundred fifty thousand, three hundred eighty".