13402828 has 12 divisors (see below), whose sum is σ = 24689560. Its totient is φ = 6348672.

The previous prime is 13402793. The next prime is 13402841. The reversal of 13402828 is 82820431.

It is a junction number, because it is equal to n+sod(n) for n = 13402796 and 13402805.

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, 88101 + ... + 88252.

Almost surely, 2^13402828 is an apocalyptic number.

It is an amenable number.

13402828 is a deficient number, since it is larger than the sum of its proper divisors (11286732).

13402828 is a wasteful number, since it uses less digits than its factorization.

13402828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176376 (or 176374 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 13402828 is about 3660.9872985303. The cubic root of 13402828 is about 237.5374818037.

The spelling of 13402828 in words is "thirteen million, four hundred two thousand, eight hundred twenty-eight".