11927638 has 8 divisors (see below), whose sum is σ = 18327960. Its totient is φ = 5818320.

The previous prime is 11927633. The next prime is 11927683. The reversal of 11927638 is 83672911.

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

It is a junction number, because it is equal to n+sod(n) for n = 11927597 and 11927606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11927633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72648 + ... + 72811.

It is an arithmetic number, because the mean of its divisors is an integer number (2290995).

Almost surely, 2^11927638 is an apocalyptic number.

11927638 is a deficient number, since it is larger than the sum of its proper divisors (6400322).

11927638 is a wasteful number, since it uses less digits than its factorization.

11927638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145502.

The product of its digits is 18144, while the sum is 37.

The square root of 11927638 is about 3453.6412668371. The cubic root of 11927638 is about 228.4817325516.

The spelling of 11927638 in words is "eleven million, nine hundred twenty-seven thousand, six hundred thirty-eight".