13028897 has 8 divisors (see below), whose sum is σ = 15370752. Its totient is φ = 10807200.

The previous prime is 13028893. The next prime is 13028909. The reversal of 13028897 is 79882031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13028897 - 2² = 13028893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13028897.

It is not an unprimeable number, because it can be changed into a prime (13028893) 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 7 ways as a sum of consecutive naturals, for example, 29804 + ... + 30237.

It is an arithmetic number, because the mean of its divisors is an integer number (1921344).

Almost surely, 2^13028897 is an apocalyptic number.

It is an amenable number.

13028897 is a deficient number, since it is larger than the sum of its proper divisors (2341855).

13028897 is an equidigital number, since it uses as much as digits as its factorization.

13028897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60079.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13028897 is about 3609.5563439293. The cubic root of 13028897 is about 235.3075616840.

The spelling of 13028897 in words is "thirteen million, twenty-eight thousand, eight hundred ninety-seven".