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13300881 = 311403057
BaseRepresentation
bin110010101111…
…010010010001
3221000202101020
4302233102101
511401112011
61153030053
7221025036
oct62572221
927022336
1013300881
117565170
124555329
1329a9159
141aa338d
15127b006
hexcaf491

13300881 has 8 divisors (see below), whose sum is σ = 19346784. Its totient is φ = 8061120.

The previous prime is 13300873. The next prime is 13300897. The reversal of 13300881 is 18800331.

13300881 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13300881 - 23 = 13300873 is a prime.

It is a super-2 number, since 2×133008812 = 353826870752322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13300811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201496 + ... + 201561.

It is an arithmetic number, because the mean of its divisors is an integer number (2418348).

Almost surely, 213300881 is an apocalyptic number.

13300881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13300881 is a deficient number, since it is larger than the sum of its proper divisors (6045903).

13300881 is a wasteful number, since it uses less digits than its factorization.

13300881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403071.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 13300881 is about 3647.0372907334. The cubic root of 13300881 is about 236.9336815279.

The spelling of 13300881 in words is "thirteen million, three hundred thousand, eight hundred eighty-one".

Divisors: 1 3 11 33 403057 1209171 4433627 13300881