11680356 has 24 divisors (see below), whose sum is σ = 27365184. Its totient is φ = 3877600.

The previous prime is 11680349. The next prime is 11680373. The reversal of 11680356 is 65308611.

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, 1306 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (1140216).

Almost surely, 2^11680356 is an apocalyptic number.

It is an amenable number.

11680356 is an abundant number, since it is smaller than the sum of its proper divisors (15684828).

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

11680356 is a wasteful number, since it uses less digits than its factorization.

11680356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3969 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 11680356 is about 3417.6535810407. The cubic root of 11680356 is about 226.8917439395.

Adding to 11680356 its reverse (65308611), we get a palindrome (76988967).

The spelling of 11680356 in words is "eleven million, six hundred eighty thousand, three hundred fifty-six".