11127838 has 4 divisors (see below), whose sum is σ = 16691760. Its totient is φ = 5563918.

The previous prime is 11127821. The next prime is 11127839. The reversal of 11127838 is 83872111.

It is a happy number.

11127838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×11127838³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11127839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781958 + ... + 2781961.

It is an arithmetic number, because the mean of its divisors is an integer number (4172940).

Almost surely, 2^11127838 is an apocalyptic number.

11127838 is a deficient number, since it is larger than the sum of its proper divisors (5563922).

11127838 is an equidigital number, since it uses as much as digits as its factorization.

11127838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563921.

The product of its digits is 2688, while the sum is 31.

The square root of 11127838 is about 3335.8414230895. The cubic root of 11127838 is about 223.2562358568.

Adding to 11127838 its reverse (83872111), we get a palindrome (94999949).

The spelling of 11127838 in words is "eleven million, one hundred twenty-seven thousand, eight hundred thirty-eight".