11930689 has 6 divisors (see below), whose sum is σ = 12592050. Its totient is φ = 11302416.

The previous prime is 11930683. The next prime is 11930693. The reversal of 11930689 is 98603911.

It can be written as a sum of positive squares in only one way, i.e., 6290064 + 5640625 = 2508^2 + 2375^2 .

It is not a de Polignac number, because 11930689 - 2⁷ = 11930561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11930683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16164 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (2098675).

Almost surely, 2^11930689 is an apocalyptic number.

11930689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11930689 is a deficient number, since it is larger than the sum of its proper divisors (661361).

11930689 is an equidigital number, since it uses as much as digits as its factorization.

11930689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33087 (or 33068 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11930689 is about 3454.0829463115. The cubic root of 11930689 is about 228.5012121931.

The spelling of 11930689 in words is "eleven million, nine hundred thirty thousand, six hundred eighty-nine".