11619220 has 24 divisors (see below), whose sum is σ = 24482304. Its totient is φ = 4632096.

The previous prime is 11619187. The next prime is 11619229. The reversal of 11619220 is 2291611.

It is a junction number, because it is equal to n+sod(n) for n = 11619191 and 11619200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11619229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6549 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (1020096).

Almost surely, 2^11619220 is an apocalyptic number.

11619220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11619220 is an abundant number, since it is smaller than the sum of its proper divisors (12863084).

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

11619220 is a wasteful number, since it uses less digits than its factorization.

11619220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11619220 is about 3408.6976985353. The cubic root of 11619220 is about 226.4951942284.

The spelling of 11619220 in words is "eleven million, six hundred nineteen thousand, two hundred twenty".