13328051 has 16 divisors (see below), whose sum is σ = 15510528. Its totient is φ = 11318400.

The previous prime is 13328033. The next prime is 13328053. The reversal of 13328051 is 15082331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13328051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13328053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49046 + ... + 49316.

It is an arithmetic number, because the mean of its divisors is an integer number (969408).

Almost surely, 2^13328051 is an apocalyptic number.

13328051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13328051 is the 2981-st pentagonal number.

13328051 is a deficient number, since it is larger than the sum of its proper divisors (2182477).

13328051 is a wasteful number, since it uses less digits than its factorization.

13328051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13328051 is about 3650.7603317665. The cubic root of 13328051 is about 237.0949016696.

It can be divided in two parts, 133280 and 51, that added together give a palindrome (133331).

The spelling of 13328051 in words is "thirteen million, three hundred twenty-eight thousand, fifty-one".