11312473 has 4 divisors (see below), whose sum is σ = 11334708. Its totient is φ = 11290240.

The previous prime is 11312471. The next prime is 11312503. The reversal of 11312473 is 37421311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3087049 + 8225424 = 1757^2 + 2868^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312473 - 2¹ = 11312471 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10336 + ... + 11377.

It is an arithmetic number, because the mean of its divisors is an integer number (2833677).

Almost surely, 2^11312473 is an apocalyptic number.

It is an amenable number.

11312473 is a deficient number, since it is larger than the sum of its proper divisors (22235).

11312473 is an equidigital number, since it uses as much as digits as its factorization.

11312473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22234.

The product of its digits is 504, while the sum is 22.

The square root of 11312473 is about 3363.4019979776. The cubic root of 11312473 is about 224.4842375628.

Adding to 11312473 its reverse (37421311), we get a palindrome (48733784).

The spelling of 11312473 in words is "eleven million, three hundred twelve thousand, four hundred seventy-three".