11190620 has 72 divisors (see below), whose sum is σ = 28823760. Its totient is φ = 3628800.

The previous prime is 11190617. The next prime is 11190629. The reversal of 11190620 is 2609111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11190592 and 11190601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11190629) 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 23 ways as a sum of consecutive naturals, for example, 18320 + ... + 18920.

It is an arithmetic number, because the mean of its divisors is an integer number (400330).

Almost surely, 2^11190620 is an apocalyptic number.

11190620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11190620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14411880).

11190620 is an abundant number, since it is smaller than the sum of its proper divisors (17633140).

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

11190620 is a wasteful number, since it uses less digits than its factorization.

11190620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 11190620 is about 3345.2384070496. The cubic root of 11190620 is about 223.6753108388.

Adding to 11190620 its reverse (2609111), we get a palindrome (13799731).

The spelling of 11190620 in words is "eleven million, one hundred ninety thousand, six hundred twenty".