13242277 has 2 divisors, whose sum is σ = 13242278. Its totient is φ = 13242276.

The previous prime is 13242253. The next prime is 13242287. The reversal of 13242277 is 77224231.

13242277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12173121 + 1069156 = 3489^2 + 1034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13242277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13242287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621138 + 6621139.

It is an arithmetic number, because the mean of its divisors is an integer number (6621139).

Almost surely, 2^13242277 is an apocalyptic number.

It is an amenable number.

13242277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13242277 is an equidigital number, since it uses as much as digits as its factorization.

13242277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 28.

The square root of 13242277 is about 3638.9939543781. The cubic root of 13242277 is about 236.5851907156.

The spelling of 13242277 in words is "thirteen million, two hundred forty-two thousand, two hundred seventy-seven".