13252028 has 12 divisors (see below), whose sum is σ = 23221632. Its totient is φ = 6617280.

The previous prime is 13251989. The next prime is 13252039. The reversal of 13252028 is 82025231.

It is a super-2 number, since 2×13252028² = 351232492225568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13251994 and 13252012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (1935136).

Almost surely, 2^13252028 is an apocalyptic number.

It is an amenable number.

13252028 is a deficient number, since it is larger than the sum of its proper divisors (9969604).

13252028 is a wasteful number, since it uses less digits than its factorization.

13252028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 13252028 is about 3640.3335012056. Note that the first 3 decimals coincide. The cubic root of 13252028 is about 236.6432465969.

Adding to 13252028 its reverse (82025231), we get a palindrome (95277259).

The spelling of 13252028 in words is "thirteen million, two hundred fifty-two thousand, twenty-eight".