12513277 has 12 divisors (see below), whose sum is σ = 14626656. Its totient is φ = 10673880.

The previous prime is 12513271. The next prime is 12513283. The reversal of 12513277 is 77231521.

It is an interprime number because it is at equal distance from previous prime (12513271) and next prime (12513283).

It is not a de Polignac number, because 12513277 - 2³ = 12513269 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 (12513271) 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, 12402 + ... + 13372.

It is an arithmetic number, because the mean of its divisors is an integer number (1218888).

Almost surely, 2^12513277 is an apocalyptic number.

It is an amenable number.

12513277 is a deficient number, since it is larger than the sum of its proper divisors (2113379).

12513277 is an equidigital number, since it uses as much as digits as its factorization.

12513277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1241 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 12513277 is about 3537.4110589526. The cubic root of 12513277 is about 232.1615811057.

Adding to 12513277 its reverse (77231521), we get a palindrome (89744798).

The spelling of 12513277 in words is "twelve million, five hundred thirteen thousand, two hundred seventy-seven".