11887534 has 8 divisors (see below), whose sum is σ = 17886168. Its totient is φ = 5925480.

The previous prime is 11887517. The next prime is 11887541. The reversal of 11887534 is 43578811.

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

It is a junction number, because it is equal to n+sod(n) for n = 11887493 and 11887502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8317 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (2235771).

Almost surely, 2^11887534 is an apocalyptic number.

11887534 is a deficient number, since it is larger than the sum of its proper divisors (5998634).

11887534 is a wasteful number, since it uses less digits than its factorization.

11887534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290.

The product of its digits is 26880, while the sum is 37.

The square root of 11887534 is about 3447.8303322524. The cubic root of 11887534 is about 228.2253722068.

It can be divided in two parts, 11887 and 534, that added together give a palindrome (12421).

The spelling of 11887534 in words is "eleven million, eight hundred eighty-seven thousand, five hundred thirty-four".