11487893 has 2 divisors, whose sum is σ = 11487894. Its totient is φ = 11487892.

The previous prime is 11487877. The next prime is 11487911. The reversal of 11487893 is 39878411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 879844 = 3257^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 11487893 - 2⁴ = 11487877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11487893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11487863) 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, 5743946 + 5743947.

It is an arithmetic number, because the mean of its divisors is an integer number (5743947).

Almost surely, 2^11487893 is an apocalyptic number.

It is an amenable number.

11487893 is a deficient number, since it is larger than the sum of its proper divisors (1).

11487893 is an equidigital number, since it uses as much as digits as its factorization.

11487893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 11487893 is about 3389.3794417268. The cubic root of 11487893 is about 225.6386333436.

The spelling of 11487893 in words is "eleven million, four hundred eighty-seven thousand, eight hundred ninety-three".