11680336 has 10 divisors (see below), whose sum is σ = 22630682. Its totient is φ = 5840160.

The previous prime is 11680313. The next prime is 11680337. The reversal of 11680336 is 63308611.

11680336 = T₂₇₈₉ + T₂₇₉₀ + T₂₇₉₁.

It can be written as a sum of positive squares in only one way, i.e., 9884736 + 1795600 = 3144^2 + 1340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11680337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364995 + ... + 365026.

Almost surely, 2^11680336 is an apocalyptic number.

11680336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11680336 is the 2791-st centered triangular number.

It is an amenable number.

11680336 is a deficient number, since it is larger than the sum of its proper divisors (10950346).

11680336 is an equidigital number, since it uses as much as digits as its factorization.

11680336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730029 (or 730023 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 11680336 is about 3417.6506550553. The cubic root of 11680336 is about 226.8916144389.

Adding to 11680336 its reverse (63308611), we get a palindrome (74988947).

The spelling of 11680336 in words is "eleven million, six hundred eighty thousand, three hundred thirty-six".