11397277 has 2 divisors, whose sum is σ = 11397278. Its totient is φ = 11397276.

The previous prime is 11397257. The next prime is 11397317. The reversal of 11397277 is 77279311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 181476 = 3349^2 + 426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11397277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11397227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5698638 + 5698639.

It is an arithmetic number, because the mean of its divisors is an integer number (5698639).

Almost surely, 2^11397277 is an apocalyptic number.

It is an amenable number.

11397277 is a deficient number, since it is larger than the sum of its proper divisors (1).

11397277 is an equidigital number, since it uses as much as digits as its factorization.

11397277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18522, while the sum is 37.

The square root of 11397277 is about 3375.9853376459. The cubic root of 11397277 is about 225.0437906536.

The spelling of 11397277 in words is "eleven million, three hundred ninety-seven thousand, two hundred seventy-seven".