11749287 has 8 divisors (see below), whose sum is σ = 17089920. Its totient is φ = 7120760.

The previous prime is 11749249. The next prime is 11749289. The reversal of 11749287 is 78294711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11749287 - 2¹² = 11745191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11749289) 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, 177987 + ... + 178052.

It is an arithmetic number, because the mean of its divisors is an integer number (2136240).

Almost surely, 2^11749287 is an apocalyptic number.

11749287 is a deficient number, since it is larger than the sum of its proper divisors (5340633).

11749287 is a wasteful number, since it uses less digits than its factorization.

11749287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356053.

The product of its digits is 28224, while the sum is 39.

The square root of 11749287 is about 3427.7232968838. The cubic root of 11749287 is about 227.3371986646.

The spelling of 11749287 in words is "eleven million, seven hundred forty-nine thousand, two hundred eighty-seven".