11726387 has 2 divisors, whose sum is σ = 11726388. Its totient is φ = 11726386.

The previous prime is 11726347. The next prime is 11726419. The reversal of 11726387 is 78362711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11726387 - 2⁸ = 11726131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11726327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863193 + 5863194.

It is an arithmetic number, because the mean of its divisors is an integer number (5863194).

Almost surely, 2^11726387 is an apocalyptic number.

11726387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726387 is an equidigital number, since it uses as much as digits as its factorization.

11726387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 11726387 is about 3424.3812579793. The cubic root of 11726387 is about 227.1894050782.

The spelling of 11726387 in words is "eleven million, seven hundred twenty-six thousand, three hundred eighty-seven".