13933028 has 6 divisors (see below), whose sum is σ = 24382806. Its totient is φ = 6966512.

The previous prime is 13933001. The next prime is 13933057. The reversal of 13933028 is 82033931.

13933028 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., 11505664 + 2427364 = 3392^2 + 1558^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1741625 + ... + 1741632.

It is an arithmetic number, because the mean of its divisors is an integer number (4063801).

Almost surely, 2^13933028 is an apocalyptic number.

It is an amenable number.

13933028 is a deficient number, since it is larger than the sum of its proper divisors (10449778).

13933028 is a wasteful number, since it uses less digits than its factorization.

13933028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483261 (or 3483259 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13933028 is about 3732.6971481758. The cubic root of 13933028 is about 240.6292975676.

Adding to 13933028 its reverse (82033931), we get a palindrome (95966959).

The spelling of 13933028 in words is "thirteen million, nine hundred thirty-three thousand, twenty-eight".