11987626 has 16 divisors (see below), whose sum is σ = 21029184. Its totient is φ = 5017824.

The previous prime is 11987611. The next prime is 11987627. The reversal of 11987626 is 62678911.

It is not an unprimeable number, because it can be changed into a prime (11987627) 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, 9355 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (1314324).

Almost surely, 2^11987626 is an apocalyptic number.

11987626 is a deficient number, since it is larger than the sum of its proper divisors (9041558).

11987626 is a wasteful number, since it uses less digits than its factorization.

11987626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19965.

The product of its digits is 36288, while the sum is 40.

The square root of 11987626 is about 3462.3151214180. The cubic root of 11987626 is about 228.8641287021.

The spelling of 11987626 in words is "eleven million, nine hundred eighty-seven thousand, six hundred twenty-six".