11013420 has 144 divisors (see below), whose sum is σ = 35661024. Its totient is φ = 2534400.

The previous prime is 11013397. The next prime is 11013427. The reversal of 11013420 is 2431011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11013396 and 11013405.

It is not an unprimeable number, because it can be changed into a prime (11013427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268600 + ... + 268640.

It is an arithmetic number, because the mean of its divisors is an integer number (247646).

Almost surely, 2^11013420 is an apocalyptic number.

11013420 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 11013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17830512).

11013420 is an abundant number, since it is smaller than the sum of its proper divisors (24647604).

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

11013420 is a wasteful number, since it uses less digits than its factorization.

11013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11013420 is about 3318.6473147956. The cubic root of 11013420 is about 222.4884141592.

Adding to 11013420 its reverse (2431011), we get a palindrome (13444431).

It can be divided in two parts, 110 and 13420, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 11013420 in words is "eleven million, thirteen thousand, four hundred twenty".