11556473 has 2 divisors, whose sum is σ = 11556474. Its totient is φ = 11556472.

The previous prime is 11556451. The next prime is 11556533. The reversal of 11556473 is 37465511.

11556473 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., 7991929 + 3564544 = 2827^2 + 1888^2 .

It is a cyclic number.

It is not a de Polignac number, because 11556473 - 2⁶ = 11556409 is a prime.

It is equal to p₇₆₀₇₈₄ and since 11556473 and 760784 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 (11556773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778236 + 5778237.

It is an arithmetic number, because the mean of its divisors is an integer number (5778237).

Almost surely, 2^11556473 is an apocalyptic number.

It is an amenable number.

11556473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11556473 is an equidigital number, since it uses as much as digits as its factorization.

11556473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 11556473 is about 3399.4812839608. The cubic root of 11556473 is about 226.0867458787.

The spelling of 11556473 in words is "eleven million, five hundred fifty-six thousand, four hundred seventy-three".