11213385 has 16 divisors (see below), whose sum is σ = 18195840. Its totient is φ = 5895680.

The previous prime is 11213381. The next prime is 11213393. The reversal of 11213385 is 58331211.

It is not a de Polignac number, because 11213385 - 2² = 11213381 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11213381) 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 15 ways as a sum of consecutive naturals, for example, 4200 + ... + 6329.

It is an arithmetic number, because the mean of its divisors is an integer number (1137240).

Almost surely, 2^11213385 is an apocalyptic number.

11213385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11213385 is a deficient number, since it is larger than the sum of its proper divisors (6982455).

11213385 is a wasteful number, since it uses less digits than its factorization.

11213385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608.

The product of its digits is 720, while the sum is 24.

The square root of 11213385 is about 3348.6392758851. The cubic root of 11213385 is about 223.8268818121.

Adding to 11213385 its reverse (58331211), we get a palindrome (69544596).

The spelling of 11213385 in words is "eleven million, two hundred thirteen thousand, three hundred eighty-five".