11928473 has 2 divisors, whose sum is σ = 11928474. Its totient is φ = 11928472.

The previous prime is 11928439. The next prime is 11928487. The reversal of 11928473 is 37482911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10259209 + 1669264 = 3203^2 + 1292^2 .

It is an emirp because it is prime and its reverse (37482911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11928473 - 2¹⁰ = 11927449 is a prime.

It is a super-2 number, since 2×11928473² = 284576936223458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₇₈₃₆₈₃ and since 11928473 and 783683 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11928073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964236 + 5964237.

It is an arithmetic number, because the mean of its divisors is an integer number (5964237).

Almost surely, 2^11928473 is an apocalyptic number.

It is an amenable number.

11928473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11928473 is an equidigital number, since it uses as much as digits as its factorization.

11928473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 11928473 is about 3453.7621516254. The cubic root of 11928473 is about 228.4870640848.

The spelling of 11928473 in words is "eleven million, nine hundred twenty-eight thousand, four hundred seventy-three".