13228036 has 24 divisors (see below), whose sum is σ = 24575040. Its totient is φ = 6216672.

The previous prime is 13228021. The next prime is 13228037. The reversal of 13228036 is 63082231.

It is a self number, because there is not a number n which added to its sum of digits gives 13228036.

It is not an unprimeable number, because it can be changed into a prime (13228037) 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, 4210 + ... + 6646.

It is an arithmetic number, because the mean of its divisors is an integer number (1023960).

Almost surely, 2^13228036 is an apocalyptic number.

It is an amenable number.

13228036 is a deficient number, since it is larger than the sum of its proper divisors (11347004).

13228036 is a wasteful number, since it uses less digits than its factorization.

13228036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13228036 is about 3637.0367058912. The cubic root of 13228036 is about 236.5003508704.

The spelling of 13228036 in words is "thirteen million, two hundred twenty-eight thousand, thirty-six".