13679428 has 36 divisors (see below), whose sum is σ = 28268352. Its totient is φ = 5774160.

The previous prime is 13679423. The next prime is 13679431. The reversal of 13679428 is 82497631.

It is not an unprimeable number, because it can be changed into a prime (13679423) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 13425 + ... + 14407.

It is an arithmetic number, because the mean of its divisors is an integer number (785232).

Almost surely, 2^13679428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13679428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14134176).

13679428 is an abundant number, since it is smaller than the sum of its proper divisors (14588924).

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

13679428 is a wasteful number, since it uses less digits than its factorization.

13679428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1063 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 13679428 is about 3698.5710754290. The cubic root of 13679428 is about 239.1604228656.

The spelling of 13679428 in words is "thirteen million, six hundred seventy-nine thousand, four hundred twenty-eight".