11711493 has 8 divisors (see below), whose sum is σ = 17350400. Its totient is φ = 7807644.

The previous prime is 11711477. The next prime is 11711501. The reversal of 11711493 is 39411711.

11711493 is a `hidden beast` number, since 1 + 171 + 1 + 493 = 666.

It is not a de Polignac number, because 11711493 - 2⁴ = 11711477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 433759 = 11711493 / (1 + 1 + 7 + 1 + 1 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11711473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216853 + ... + 216906.

It is an arithmetic number, because the mean of its divisors is an integer number (2168800).

Almost surely, 2^11711493 is an apocalyptic number.

It is an amenable number.

11711493 is a deficient number, since it is larger than the sum of its proper divisors (5638907).

11711493 is an equidigital number, since it uses as much as digits as its factorization.

11711493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433768 (or 433762 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 11711493 is about 3422.2058675655. The cubic root of 11711493 is about 227.0931778654.

The spelling of 11711493 in words is "eleven million, seven hundred eleven thousand, four hundred ninety-three".