11320215 has 32 divisors (see below), whose sum is σ = 19408896. Its totient is φ = 5614080.

The previous prime is 11320213. The next prime is 11320229. The reversal of 11320215 is 51202311.

It is not a de Polignac number, because 11320215 - 2¹ = 11320213 is a prime.

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

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11320194 and 11320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26050 + ... + 26480.

It is an arithmetic number, because the mean of its divisors is an integer number (606528).

Almost surely, 2^11320215 is an apocalyptic number.

11320215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11320215 is a deficient number, since it is larger than the sum of its proper divisors (8088681).

11320215 is a wasteful number, since it uses less digits than its factorization.

11320215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11320215 is about 3364.5527191590. The cubic root of 11320215 is about 224.5354365253.

Adding to 11320215 its reverse (51202311), we get a palindrome (62522526).

The spelling of 11320215 in words is "eleven million, three hundred twenty thousand, two hundred fifteen".