11387293 has 2 divisors, whose sum is σ = 11387294. Its totient is φ = 11387292.

The previous prime is 11387291. The next prime is 11387309. The reversal of 11387293 is 39278311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10381284 + 1006009 = 3222^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 11387293 - 2¹ = 11387291 is a prime.

Together with 11387291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11387291) 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, 5693646 + 5693647.

It is an arithmetic number, because the mean of its divisors is an integer number (5693647).

Almost surely, 2^11387293 is an apocalyptic number.

It is an amenable number.

11387293 is a deficient number, since it is larger than the sum of its proper divisors (1).

11387293 is an equidigital number, since it uses as much as digits as its factorization.

11387293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 11387293 is about 3374.5063342658. The cubic root of 11387293 is about 224.9780587658.

The spelling of 11387293 in words is "eleven million, three hundred eighty-seven thousand, two hundred ninety-three".