11437213 has 2 divisors, whose sum is σ = 11437214. Its totient is φ = 11437212.

The previous prime is 11437211. The next prime is 11437219. The reversal of 11437213 is 31273411.

11437213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 822649 = 3258^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 11437213 - 2¹ = 11437211 is a prime.

Together with 11437211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11437211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5718606 + 5718607.

It is an arithmetic number, because the mean of its divisors is an integer number (5718607).

Almost surely, 2^11437213 is an apocalyptic number.

It is an amenable number.

11437213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11437213 is an equidigital number, since it uses as much as digits as its factorization.

11437213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 11437213 is about 3381.8948830500. The cubic root of 11437213 is about 225.3063350024.

The spelling of 11437213 in words is "eleven million, four hundred thirty-seven thousand, two hundred thirteen".