12662273 has 8 divisors (see below), whose sum is σ = 13765248. Its totient is φ = 11577744.

The previous prime is 12662267. The next prime is 12662311. The reversal of 12662273 is 37226621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12662273 - 2⁴ = 12662257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12662233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161 + ... + 5942.

It is an arithmetic number, because the mean of its divisors is an integer number (1720656).

Almost surely, 2^12662273 is an apocalyptic number.

12662273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12662273 is a deficient number, since it is larger than the sum of its proper divisors (1102975).

12662273 is a wasteful number, since it uses less digits than its factorization.

12662273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223.

The product of its digits is 6048, while the sum is 29.

The square root of 12662273 is about 3558.4087735953. The cubic root of 12662273 is about 233.0793997113.

Adding to 12662273 its reverse (37226621), we get a palindrome (49888894).

The spelling of 12662273 in words is "twelve million, six hundred sixty-two thousand, two hundred seventy-three".