11787013 has 8 divisors (see below), whose sum is σ = 13597632. Its totient is φ = 10008096.

The previous prime is 11787007. The next prime is 11787067. The reversal of 11787013 is 31078711.

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

It is not a de Polignac number, because 11787013 - 2⁵ = 11786981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11787073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7120 + ... + 8617.

It is an arithmetic number, because the mean of its divisors is an integer number (1699704).

Almost surely, 2^11787013 is an apocalyptic number.

It is an amenable number.

11787013 is a deficient number, since it is larger than the sum of its proper divisors (1810619).

11787013 is a wasteful number, since it uses less digits than its factorization.

11787013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15851.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 11787013 is about 3433.2219561223. The cubic root of 11787013 is about 227.5802590872.

The spelling of 11787013 in words is "eleven million, seven hundred eighty-seven thousand, thirteen".