11487293 has 2 divisors, whose sum is σ = 11487294. Its totient is φ = 11487292.

The previous prime is 11487269. The next prime is 11487299. The reversal of 11487293 is 39278411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 4507129 = 2642^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 11487293 - 2⁸ = 11487037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11487299) 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, 5743646 + 5743647.

It is an arithmetic number, because the mean of its divisors is an integer number (5743647).

Almost surely, 2^11487293 is an apocalyptic number.

It is an amenable number.

11487293 is a deficient number, since it is larger than the sum of its proper divisors (1).

11487293 is an equidigital number, since it uses as much as digits as its factorization.

11487293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 11487293 is about 3389.2909287932. The cubic root of 11487293 is about 225.6347049895.

The spelling of 11487293 in words is "eleven million, four hundred eighty-seven thousand, two hundred ninety-three".