11688770 has 8 divisors (see below), whose sum is σ = 21039804. Its totient is φ = 4675504.

The previous prime is 11688751. The next prime is 11688793. The reversal of 11688770 is 7788611.

It can be written as a sum of positive squares in 2 ways, for example, as 10118761 + 1570009 = 3181^2 + 1253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11688770² = 273254688225800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 584429 + ... + 584448.

Almost surely, 2^11688770 is an apocalyptic number.

11688770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11688770 is a deficient number, since it is larger than the sum of its proper divisors (9351034).

11688770 is a wasteful number, since it uses less digits than its factorization.

11688770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168884.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 11688770 is about 3418.8843209445. The cubic root of 11688770 is about 226.9462117119.

The spelling of 11688770 in words is "eleven million, six hundred eighty-eight thousand, seven hundred seventy".