12662773 has 8 divisors (see below), whose sum is σ = 13507992. Its totient is φ = 11828736.

The previous prime is 12662753. The next prime is 12662791. The reversal of 12662773 is 37726621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4235364 + 8427409 = 2058^2 + 2903^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-12662773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662723) 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, 390 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (1688499).

Almost surely, 2^12662773 is an apocalyptic number.

It is an amenable number.

12662773 is a deficient number, since it is larger than the sum of its proper divisors (845219).

12662773 is a wasteful number, since it uses less digits than its factorization.

12662773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591.

The product of its digits is 21168, while the sum is 34.

The square root of 12662773 is about 3558.4790290235. The cubic root of 12662773 is about 233.0824675693.

The spelling of 12662773 in words is "twelve million, six hundred sixty-two thousand, seven hundred seventy-three".