11791536 has 40 divisors (see below), whose sum is σ = 30664704. Its totient is φ = 3904320.

The previous prime is 11791517. The next prime is 11791541. The reversal of 11791536 is 63519711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11791497 and 11791506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7281 + ... + 8751.

Almost surely, 2^11791536 is an apocalyptic number.

11791536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11791536 is an abundant number, since it is smaller than the sum of its proper divisors (18873168).

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

11791536 is a wasteful number, since it uses less digits than its factorization.

11791536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1643 counting only the distinct ones).

The product of its digits is 5670, while the sum is 33.

The square root of 11791536 is about 3433.8806036320. The cubic root of 11791536 is about 227.6093649593.

The spelling of 11791536 in words is "eleven million, seven hundred ninety-one thousand, five hundred thirty-six".