11728622 has 4 divisors (see below), whose sum is σ = 17592936. Its totient is φ = 5864310.

The previous prime is 11728621. The next prime is 11728627. The reversal of 11728622 is 22682711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2932154 + ... + 2932157.

It is an arithmetic number, because the mean of its divisors is an integer number (4398234).

Almost surely, 2^11728622 is an apocalyptic number.

11728622 is a deficient number, since it is larger than the sum of its proper divisors (5864314).

11728622 is an equidigital number, since it uses as much as digits as its factorization.

11728622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864313.

The product of its digits is 2688, while the sum is 29.

The square root of 11728622 is about 3424.7075787576. The cubic root of 11728622 is about 227.2038379427.

The spelling of 11728622 in words is "eleven million, seven hundred twenty-eight thousand, six hundred twenty-two".