11687004 has 60 divisors (see below), whose sum is σ = 34923504. Its totient is φ = 3338496.

The previous prime is 11686999. The next prime is 11687057. The reversal of 11687004 is 40078611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 309 + ... + 4844.

Almost surely, 2^11687004 is an apocalyptic number.

11687004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11687004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17461752).

11687004 is an abundant number, since it is smaller than the sum of its proper divisors (23236500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11687004 is a wasteful number, since it uses less digits than its factorization.

11687004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176 (or 5165 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 11687004 is about 3418.6260398002. The cubic root of 11687004 is about 226.9347817326.

The spelling of 11687004 in words is "eleven million, six hundred eighty-seven thousand, four".