13229828 has 6 divisors (see below), whose sum is σ = 23152206. Its totient is φ = 6614912.

The previous prime is 13229809. The next prime is 13229837. The reversal of 13229828 is 82892231.

13229828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9535744 + 3694084 = 3088^2 + 1922^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1653725 + ... + 1653732.

It is an arithmetic number, because the mean of its divisors is an integer number (3858701).

Almost surely, 2^13229828 is an apocalyptic number.

It is an amenable number.

13229828 is a deficient number, since it is larger than the sum of its proper divisors (9922378).

13229828 is a wasteful number, since it uses less digits than its factorization.

13229828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307461 (or 3307459 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 13229828 is about 3637.2830519496. The cubic root of 13229828 is about 236.5110299436.

The spelling of 13229828 in words is "thirteen million, two hundred twenty-nine thousand, eight hundred twenty-eight".