11213447 has 8 divisors (see below), whose sum is σ = 13025952. Its totient is φ = 9453600.

The previous prime is 11213417. The next prime is 11213453. The reversal of 11213447 is 74431211.

It is a happy number.

11213447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11213447 - 2¹⁴ = 11197063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12704 + ... + 13557.

It is an arithmetic number, because the mean of its divisors is an integer number (1628244).

Almost surely, 2^11213447 is an apocalyptic number.

11213447 is a deficient number, since it is larger than the sum of its proper divisors (1812505).

11213447 is an equidigital number, since it uses as much as digits as its factorization.

11213447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26329.

The product of its digits is 672, while the sum is 23.

The square root of 11213447 is about 3348.6485333639. The cubic root of 11213447 is about 223.8272943322.

Adding to 11213447 its reverse (74431211), we get a palindrome (85644658).

The spelling of 11213447 in words is "eleven million, two hundred thirteen thousand, four hundred forty-seven".