11387269 has 2 divisors, whose sum is σ = 11387270. Its totient is φ = 11387268.

The previous prime is 11387239. The next prime is 11387273. The reversal of 11387269 is 96278311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 245025 = 3338^2 + 495^2 .

It is an emirp because it is prime and its reverse (96278311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11387269 - 2⁵ = 11387237 is a prime.

It is a super-2 number, since 2×11387269² = 259339790556722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11387219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693634 + 5693635.

It is an arithmetic number, because the mean of its divisors is an integer number (5693635).

Almost surely, 2^11387269 is an apocalyptic number.

It is an amenable number.

11387269 is a deficient number, since it is larger than the sum of its proper divisors (1).

11387269 is an equidigital number, since it uses as much as digits as its factorization.

11387269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 11387269 is about 3374.5027781882. The cubic root of 11387269 is about 224.9779007102.

The spelling of 11387269 in words is "eleven million, three hundred eighty-seven thousand, two hundred sixty-nine".