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13130867 = 43305369
BaseRepresentation
bin110010000101…
…110001110011
3220201010011102
4302011301303
511330141432
61145235015
7216416261
oct62056163
926633142
1013130867
117459462
124492a6b
132949959
141a5b431
151245962
hexc85c73

13130867 has 4 divisors (see below), whose sum is σ = 13436280. Its totient is φ = 12825456.

The previous prime is 13130857. The next prime is 13130891. The reversal of 13130867 is 76803131.

13130867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13130867 - 214 = 13114483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13130807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152642 + ... + 152727.

It is an arithmetic number, because the mean of its divisors is an integer number (3359070).

Almost surely, 213130867 is an apocalyptic number.

13130867 is a deficient number, since it is larger than the sum of its proper divisors (305413).

13130867 is an equidigital number, since it uses as much as digits as its factorization.

13130867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305412.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13130867 is about 3623.6538190064. The cubic root of 13130867 is about 235.9198413490.

Adding to 13130867 its reverse (76803131), we get a palindrome (89933998).

The spelling of 13130867 in words is "thirteen million, one hundred thirty thousand, eight hundred sixty-seven".

Divisors: 1 43 305369 13130867