12693277 has 2 divisors, whose sum is σ = 12693278. Its totient is φ = 12693276.

The previous prime is 12693253. The next prime is 12693367. The reversal of 12693277 is 77239621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 5354596 = 2709^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 12693277 - 2²³ = 4304669 is a prime.

It is a super-2 number, since 2×12693277² = 322238561997458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12693077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6346638 + 6346639.

It is an arithmetic number, because the mean of its divisors is an integer number (6346639).

Almost surely, 2^12693277 is an apocalyptic number.

It is an amenable number.

12693277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12693277 is an equidigital number, since it uses as much as digits as its factorization.

12693277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 12693277 is about 3562.7625517286. The cubic root of 12693277 is about 233.2694788990.

The spelling of 12693277 in words is "twelve million, six hundred ninety-three thousand, two hundred seventy-seven".