12317277 has 12 divisors (see below), whose sum is σ = 19104576. Its totient is φ = 7038360.

The previous prime is 12317273. The next prime is 12317281. The reversal of 12317277 is 77271321.

It is an interprime number because it is at equal distance from previous prime (12317273) and next prime (12317281).

It is not a de Polignac number, because 12317277 - 2² = 12317273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317273) 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, 41749 + ... + 42042.

It is an arithmetic number, because the mean of its divisors is an integer number (1592048).

Almost surely, 2^12317277 is an apocalyptic number.

It is an amenable number.

12317277 is a deficient number, since it is larger than the sum of its proper divisors (6787299).

12317277 is an equidigital number, since it uses as much as digits as its factorization.

12317277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83808 (or 83801 counting only the distinct ones).

The product of its digits is 4116, while the sum is 30.

The square root of 12317277 is about 3509.5978402090. The cubic root of 12317277 is about 230.9430529963.

Adding to 12317277 its reverse (77271321), we get a palindrome (89588598).

The spelling of 12317277 in words is "twelve million, three hundred seventeen thousand, two hundred seventy-seven".