11679220 has 24 divisors (see below), whose sum is σ = 28030464. Its totient is φ = 4004256.

The previous prime is 11679191. The next prime is 11679223. The reversal of 11679220 is 2297611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11679223) 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, 41572 + ... + 41851.

It is an arithmetic number, because the mean of its divisors is an integer number (1167936).

Almost surely, 2^11679220 is an apocalyptic number.

11679220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11679220 is an abundant number, since it is smaller than the sum of its proper divisors (16351244).

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

11679220 is a wasteful number, since it uses less digits than its factorization.

11679220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83439 (or 83437 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 11679220 is about 3417.4873811033. The cubic root of 11679220 is about 226.8843880742.

The spelling of 11679220 in words is "eleven million, six hundred seventy-nine thousand, two hundred twenty".