11404213 has 4 divisors (see below), whose sum is σ = 11517228. Its totient is φ = 11291200.

The previous prime is 11404207. The next prime is 11404231. The reversal of 11404213 is 31240411.

11404213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31240411 = 101 ⋅309311.

It can be written as a sum of positive squares in 2 ways, for example, as 10284849 + 1119364 = 3207^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404213 - 2⁵ = 11404181 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 (11404243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56356 + ... + 56557.

It is an arithmetic number, because the mean of its divisors is an integer number (2879307).

Almost surely, 2^11404213 is an apocalyptic number.

It is an amenable number.

11404213 is a deficient number, since it is larger than the sum of its proper divisors (113015).

11404213 is a wasteful number, since it uses less digits than its factorization.

11404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113014.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11404213 is about 3377.0124370514. The cubic root of 11404213 is about 225.0894327604.

Adding to 11404213 its reverse (31240411), we get a palindrome (42644624).

The spelling of 11404213 in words is "eleven million, four hundred four thousand, two hundred thirteen".