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13040601 = 37620981
BaseRepresentation
bin110001101111…
…101111011001
3220112112100020
4301233233121
511314244401
61143301053
7215562150
oct61575731
926475306
1013040601
1173a7662
12444a789
132917842
141a36597
151228d36
hexc6fbd9

13040601 has 8 divisors (see below), whose sum is σ = 19871424. Its totient is φ = 7451760.

The previous prime is 13040561. The next prime is 13040603. The reversal of 13040601 is 10604031.

13040601 is digitally balanced in base 3, because in such base 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 13040601 - 29 = 13040089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13040603) 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, 310470 + ... + 310511.

It is an arithmetic number, because the mean of its divisors is an integer number (2483928).

Almost surely, 213040601 is an apocalyptic number.

It is an amenable number.

13040601 is a deficient number, since it is larger than the sum of its proper divisors (6830823).

13040601 is an equidigital number, since it uses as much as digits as its factorization.

13040601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620991.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13040601 is about 3611.1772318733. The cubic root of 13040601 is about 235.3780003777.

Adding to 13040601 its reverse (10604031), we get a palindrome (23644632).

The spelling of 13040601 in words is "thirteen million, forty thousand, six hundred one".

Divisors: 1 3 7 21 620981 1862943 4346867 13040601