12277071 has 12 divisors (see below), whose sum is σ = 17772040. Its totient is φ = 8166960.

The previous prime is 12277061. The next prime is 12277127. The reversal of 12277071 is 17077221.

It is not a de Polignac number, because 12277071 - 2⁵ = 12277039 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 (12277061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3945 + ... + 6333.

Almost surely, 2^12277071 is an apocalyptic number.

12277071 is a deficient number, since it is larger than the sum of its proper divisors (5494969).

12277071 is a wasteful number, since it uses less digits than its factorization.

12277071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 12277071 is about 3503.8651515148. The cubic root of 12277071 is about 230.6914979988.

The spelling of 12277071 in words is "twelve million, two hundred seventy-seven thousand, seventy-one".