13043228 has 12 divisors (see below), whose sum is σ = 24900792. Its totient is φ = 5928720.

The previous prime is 13043221. The next prime is 13043279. The reversal of 13043228 is 82234031.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043221) 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, 148175 + ... + 148262.

It is an arithmetic number, because the mean of its divisors is an integer number (2075066).

Almost surely, 2^13043228 is an apocalyptic number.

It is an amenable number.

13043228 is a deficient number, since it is larger than the sum of its proper divisors (11857564).

13043228 is a wasteful number, since it uses less digits than its factorization.

13043228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296452 (or 296450 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13043228 is about 3611.5409453584. The cubic root of 13043228 is about 235.3938047743.

Adding to 13043228 its reverse (82234031), we get a palindrome (95277259).

The spelling of 13043228 in words is "thirteen million, forty-three thousand, two hundred twenty-eight".