11387722 has 16 divisors (see below), whose sum is σ = 18360000. Its totient is φ = 5277888.

The previous prime is 11387693. The next prime is 11387729. The reversal of 11387722 is 22778311.

11387722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11387729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (1147500).

Almost surely, 2^11387722 is an apocalyptic number.

11387722 is a deficient number, since it is larger than the sum of its proper divisors (6972278).

11387722 is a wasteful number, since it uses less digits than its factorization.

11387722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085.

The product of its digits is 4704, while the sum is 31.

The square root of 11387722 is about 3374.5698985204. The cubic root of 11387722 is about 224.9808839727.

The spelling of 11387722 in words is "eleven million, three hundred eighty-seven thousand, seven hundred twenty-two".