11680690 has 16 divisors (see below), whose sum is σ = 24028992. Its totient is φ = 4004784.

The previous prime is 11680679. The next prime is 11680693. The reversal of 11680690 is 9608611.

It is a happy number.

It is a super-2 number, since 2×11680690² = 272877037752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11680693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83364 + ... + 83503.

It is an arithmetic number, because the mean of its divisors is an integer number (1501812).

Almost surely, 2^11680690 is an apocalyptic number.

11680690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11680690 is an abundant number, since it is smaller than the sum of its proper divisors (12348302).

11680690 is a wasteful number, since it uses less digits than its factorization.

11680690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166881.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 11680690 is about 3417.7024446256. The cubic root of 11680690 is about 226.8939065768.

The spelling of 11680690 in words is "eleven million, six hundred eighty thousand, six hundred ninety".