13056028 has 6 divisors (see below), whose sum is σ = 22848056. Its totient is φ = 6528012.

The previous prime is 13056023. The next prime is 13056031. The reversal of 13056028 is 82065031.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13055993 and 13056011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056023) 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 as a sum of consecutive naturals, namely, 1632000 + ... + 1632007.

Almost surely, 2^13056028 is an apocalyptic number.

It is an amenable number.

13056028 is a deficient number, since it is larger than the sum of its proper divisors (9792028).

13056028 is a wasteful number, since it uses less digits than its factorization.

13056028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264011 (or 3264009 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13056028 is about 3613.3126075666. The cubic root of 13056028 is about 235.4707810059.

The spelling of 13056028 in words is "thirteen million, fifty-six thousand, twenty-eight".