11213057 has 2 divisors, whose sum is σ = 11213058. Its totient is φ = 11213056.

The previous prime is 11212997. The next prime is 11213063. The reversal of 11213057 is 75031211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6355441 + 4857616 = 2521^2 + 2204^2 .

It is an emirp because it is prime and its reverse (75031211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11213057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11213077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606528 + 5606529.

It is an arithmetic number, because the mean of its divisors is an integer number (5606529).

Almost surely, 2^11213057 is an apocalyptic number.

It is an amenable number.

11213057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213057 is an equidigital number, since it uses as much as digits as its factorization.

11213057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11213057 is about 3348.5903004100. The cubic root of 11213057 is about 223.8246994222.

Adding to 11213057 its reverse (75031211), we get a palindrome (86244268).

The spelling of 11213057 in words is "eleven million, two hundred thirteen thousand, fifty-seven".