11021473 has 2 divisors, whose sum is σ = 11021474. Its totient is φ = 11021472.

The previous prime is 11021411. The next prime is 11021489. The reversal of 11021473 is 37412011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 471969 = 3248^2 + 687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11021473.

It is not a weakly prime, because it can be changed into another prime (11021173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510736 + 5510737.

It is an arithmetic number, because the mean of its divisors is an integer number (5510737).

Almost surely, 2^11021473 is an apocalyptic number.

It is an amenable number.

11021473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021473 is an equidigital number, since it uses as much as digits as its factorization.

11021473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11021473 is about 3319.8603886308. The cubic root of 11021473 is about 222.5426287047.

Adding to 11021473 its reverse (37412011), we get a palindrome (48433484).

The spelling of 11021473 in words is "eleven million, twenty-one thousand, four hundred seventy-three".