11213345 has 16 divisors (see below), whose sum is σ = 15809472. Its totient is φ = 7527360.

The previous prime is 11213303. The next prime is 11213347. The reversal of 11213345 is 54331211.

It is not a de Polignac number, because 11213345 - 2⁶ = 11213281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7127 + ... + 8556.

It is an arithmetic number, because the mean of its divisors is an integer number (988092).

Almost surely, 2^11213345 is an apocalyptic number.

It is an amenable number.

11213345 is a deficient number, since it is larger than the sum of its proper divisors (4596127).

11213345 is a wasteful number, since it uses less digits than its factorization.

11213345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15712.

The product of its digits is 360, while the sum is 20.

The square root of 11213345 is about 3348.6333033045. The cubic root of 11213345 is about 223.8266156693.

Adding to 11213345 its reverse (54331211), we get a palindrome (65544556).

The spelling of 11213345 in words is "eleven million, two hundred thirteen thousand, three hundred forty-five".