11043973 has 2 divisors, whose sum is σ = 11043974. Its totient is φ = 11043972.

The previous prime is 11043953. The next prime is 11044001. The reversal of 11043973 is 37934011.

It is an a-pointer prime, because the next prime (11044001) can be obtained adding 11043973 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8538084 + 2505889 = 2922^2 + 1583^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043973 - 2¹³ = 11035781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11043943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521986 + 5521987.

It is an arithmetic number, because the mean of its divisors is an integer number (5521987).

Almost surely, 2^11043973 is an apocalyptic number.

It is an amenable number.

11043973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043973 is an equidigital number, since it uses as much as digits as its factorization.

11043973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 11043973 is about 3323.2473576308. The cubic root of 11043973 is about 222.6939637592.

Adding to 11043973 its reverse (37934011), we get a palindrome (48977984).

The spelling of 11043973 in words is "eleven million, forty-three thousand, nine hundred seventy-three".