13426028 has 24 divisors (see below), whose sum is σ = 29293824. Its totient is φ = 5230800.

The previous prime is 13426009. The next prime is 13426033. The reversal of 13426028 is 82062431.

It is a junction number, because it is equal to n+sod(n) for n = 13425988 and 13426006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21488 + ... + 22103.

It is an arithmetic number, because the mean of its divisors is an integer number (1220576).

Almost surely, 2^13426028 is an apocalyptic number.

It is an amenable number.

13426028 is an abundant number, since it is smaller than the sum of its proper divisors (15867796).

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

13426028 is a wasteful number, since it uses less digits than its factorization.

13426028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43613 (or 43611 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 13426028 is about 3664.1544727263. The cubic root of 13426028 is about 237.6744601812.

Adding to 13426028 its reverse (82062431), we get a palindrome (95488459).

It can be divided in two parts, 134 and 26028, that added together give a palindrome (26162).

The spelling of 13426028 in words is "thirteen million, four hundred twenty-six thousand, twenty-eight".