11867743 has 2 divisors, whose sum is σ = 11867744. Its totient is φ = 11867742.

The previous prime is 11867731. The next prime is 11867749. The reversal of 11867743 is 34776811.

It is a strong prime.

It is an emirp because it is prime and its reverse (34776811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11867743 - 2⁵ = 11867711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11867749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5933871 + 5933872.

It is an arithmetic number, because the mean of its divisors is an integer number (5933872).

Almost surely, 2^11867743 is an apocalyptic number.

11867743 is a deficient number, since it is larger than the sum of its proper divisors (1).

11867743 is an equidigital number, since it uses as much as digits as its factorization.

11867743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 11867743 is about 3444.9590708744. The cubic root of 11867743 is about 228.0986479350.

The spelling of 11867743 in words is "eleven million, eight hundred sixty-seven thousand, seven hundred forty-three".