11389876 has 12 divisors (see below), whose sum is σ = 20799072. Its totient is φ = 5447288.

The previous prime is 11389867. The next prime is 11389877. The reversal of 11389876 is 67898311.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11389877) 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, 61810 + ... + 61993.

It is an arithmetic number, because the mean of its divisors is an integer number (1733256).

Almost surely, 2^11389876 is an apocalyptic number.

It is an amenable number.

11389876 is a deficient number, since it is larger than the sum of its proper divisors (9409196).

11389876 is a wasteful number, since it uses less digits than its factorization.

11389876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123830 (or 123828 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 11389876 is about 3374.8890352129. The cubic root of 11389876 is about 224.9950682047.

The spelling of 11389876 in words is "eleven million, three hundred eighty-nine thousand, eight hundred seventy-six".