11662273 has 4 divisors (see below), whose sum is σ = 13328320. Its totient is φ = 9996228.

The previous prime is 11662271. The next prime is 11662297. The reversal of 11662273 is 37226611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11662273 - 2¹ = 11662271 is a prime.

It is a super-2 number, since 2×11662273² = 272017223053058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11662271) 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, 833013 + ... + 833026.

It is an arithmetic number, because the mean of its divisors is an integer number (3332080).

Almost surely, 2^11662273 is an apocalyptic number.

It is an amenable number.

11662273 is a deficient number, since it is larger than the sum of its proper divisors (1666047).

11662273 is an equidigital number, since it uses as much as digits as its factorization.

11662273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666046.

The product of its digits is 3024, while the sum is 28.

The square root of 11662273 is about 3415.0070278112. The cubic root of 11662273 is about 226.7745956115.

Adding to 11662273 its reverse (37226611), we get a palindrome (48888884).

It can be divided in two parts, 11662 and 273, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11662273 in words is "eleven million, six hundred sixty-two thousand, two hundred seventy-three".