11872687 has 8 divisors (see below), whose sum is σ = 12569040. Its totient is φ = 11195520.

The previous prime is 11872667. The next prime is 11872697. The reversal of 11872687 is 78627811.

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 11872687 - 2²³ = 3484079 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 (11872667) 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, 3514 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (1571130).

Almost surely, 2^11872687 is an apocalyptic number.

11872687 is a deficient number, since it is larger than the sum of its proper divisors (696353).

11872687 is an equidigital number, since it uses as much as digits as its factorization.

11872687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593.

The product of its digits is 37632, while the sum is 40.

The square root of 11872687 is about 3445.6765663655. The cubic root of 11872687 is about 228.1303181846.

The spelling of 11872687 in words is "eleven million, eight hundred seventy-two thousand, six hundred eighty-seven".