11387634 has 8 divisors (see below), whose sum is σ = 22775280. Its totient is φ = 3795876.

The previous prime is 11387617. The next prime is 11387687. The reversal of 11387634 is 43678311.

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

11387634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11387595 and 11387604.

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 3 ways as a sum of consecutive naturals, for example, 948964 + ... + 948975.

It is an arithmetic number, because the mean of its divisors is an integer number (2846910).

Almost surely, 2^11387634 is an apocalyptic number.

11387634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11387634 is a wasteful number, since it uses less digits than its factorization.

11387634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897944.

The product of its digits is 12096, while the sum is 33.

The square root of 11387634 is about 3374.5568597966. The cubic root of 11387634 is about 224.9803044488.

It can be divided in two parts, 11387 and 634, that added together give a palindrome (12021).

The spelling of 11387634 in words is "eleven million, three hundred eighty-seven thousand, six hundred thirty-four".