11378687 has 2 divisors, whose sum is σ = 11378688. Its totient is φ = 11378686.

The previous prime is 11378671. The next prime is 11378707. The reversal of 11378687 is 78687311.

It is a weak prime.

It is an emirp because it is prime and its reverse (78687311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11378687 - 2⁴ = 11378671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11378657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5689343 + 5689344.

It is an arithmetic number, because the mean of its divisors is an integer number (5689344).

Almost surely, 2^11378687 is an apocalyptic number.

11378687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11378687 is an equidigital number, since it uses as much as digits as its factorization.

11378687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 11378687 is about 3373.2309437689. The cubic root of 11378687 is about 224.9213684083.

The spelling of 11378687 in words is "eleven million, three hundred seventy-eight thousand, six hundred eighty-seven".