13244028 has 24 divisors (see below), whose sum is σ = 35317632. Its totient is φ = 3783984.

The previous prime is 13244027. The next prime is 13244051. The reversal of 13244028 is 82044231.

13244028 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13243989 and 13244007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244027) 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, 78750 + ... + 78917.

It is an arithmetic number, because the mean of its divisors is an integer number (1471568).

Almost surely, 2^13244028 is an apocalyptic number.

It is an amenable number.

13244028 is an abundant number, since it is smaller than the sum of its proper divisors (22073604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13244028 is a wasteful number, since it uses less digits than its factorization.

13244028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157681 (or 157679 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 13244028 is about 3639.2345348988. The cubic root of 13244028 is about 236.5956179861.

Adding to 13244028 its reverse (82044231), we get a palindrome (95288259).

The spelling of 13244028 in words is "thirteen million, two hundred forty-four thousand, twenty-eight".