11313420 has 48 divisors (see below), whose sum is σ = 31905888. Its totient is φ = 2995200.

The previous prime is 11313409. The next prime is 11313457. The reversal of 11313420 is 2431311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11313420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8820 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (664706).

Almost surely, 2^11313420 is an apocalyptic number.

11313420 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 11313420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15952944).

11313420 is an abundant number, since it is smaller than the sum of its proper divisors (20592468).

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

11313420 is a wasteful number, since it uses less digits than its factorization.

11313420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11313420 is about 3363.5427751108. The cubic root of 11313420 is about 224.4905014640.

Adding to 11313420 its reverse (2431311), we get a palindrome (13744731).

The spelling of 11313420 in words is "eleven million, three hundred thirteen thousand, four hundred twenty".