13642828 has 12 divisors (see below), whose sum is σ = 23906232. Its totient is φ = 6812480.

The previous prime is 13642807. The next prime is 13642859. The reversal of 13642828 is 82824631.

It is a super-2 number, since 2×13642828² = 372253511675168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13642793 and 13642802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163 + ... + 5653.

It is an arithmetic number, because the mean of its divisors is an integer number (1992186).

Almost surely, 2^13642828 is an apocalyptic number.

It is an amenable number.

13642828 is a deficient number, since it is larger than the sum of its proper divisors (10263404).

13642828 is a wasteful number, since it uses less digits than its factorization.

13642828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4470 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 13642828 is about 3693.6199046464. The cubic root of 13642828 is about 238.9469370944.

The spelling of 13642828 in words is "thirteen million, six hundred forty-two thousand, eight hundred twenty-eight".