11687748 has 24 divisors (see below), whose sum is σ = 27680352. Its totient is φ = 3837504.

The previous prime is 11687699. The next prime is 11687759. The reversal of 11687748 is 84778611.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 6465 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (1153348).

Almost surely, 2^11687748 is an apocalyptic number.

It is an amenable number.

11687748 is an abundant number, since it is smaller than the sum of its proper divisors (15992604).

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

11687748 is a wasteful number, since it uses less digits than its factorization.

11687748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14611 (or 14609 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The square root of 11687748 is about 3418.7348537142. The cubic root of 11687748 is about 226.9395972209.

The spelling of 11687748 in words is "eleven million, six hundred eighty-seven thousand, seven hundred forty-eight".