13428836 has 6 divisors (see below), whose sum is σ = 23500470. Its totient is φ = 6714416.

The previous prime is 13428829. The next prime is 13428847. The reversal of 13428836 is 63882431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 62500 = 3656^2 + 250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13428796 and 13428805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678601 + ... + 1678608.

It is an arithmetic number, because the mean of its divisors is an integer number (3916745).

Almost surely, 2^13428836 is an apocalyptic number.

It is an amenable number.

13428836 is a deficient number, since it is larger than the sum of its proper divisors (10071634).

13428836 is a wasteful number, since it uses less digits than its factorization.

13428836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357213 (or 3357211 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 13428836 is about 3664.5376243122. The cubic root of 13428836 is about 237.6910285801.

The spelling of 13428836 in words is "thirteen million, four hundred twenty-eight thousand, eight hundred thirty-six".