13428426 has 16 divisors (see below), whose sum is σ = 29298528. Its totient is φ = 4069200.

The previous prime is 13428413. The next prime is 13428431. The reversal of 13428426 is 62482431.

It is a junction number, because it is equal to n+sod(n) for n = 13428393 and 13428402.

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 7 ways as a sum of consecutive naturals, for example, 101665 + ... + 101796.

It is an arithmetic number, because the mean of its divisors is an integer number (1831158).

Almost surely, 2^13428426 is an apocalyptic number.

13428426 is an abundant number, since it is smaller than the sum of its proper divisors (15870102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13428426 is a wasteful number, since it uses less digits than its factorization.

13428426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203477.

The product of its digits is 9216, while the sum is 30.

The square root of 13428426 is about 3664.4816823120. The cubic root of 13428426 is about 237.6886095490.

The spelling of 13428426 in words is "thirteen million, four hundred twenty-eight thousand, four hundred twenty-six".