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13301201 = 31213841
BaseRepresentation
bin110010101111…
…010111010001
3221000202211002
4302233113101
511401114301
61153031345
7221026004
oct62572721
927022732
1013301201
117565431
124555555
1329a9344
141aa353b
15127b16b
hexcaf5d1

13301201 has 6 divisors (see below), whose sum is σ = 13745106. Its totient is φ = 12871200.

The previous prime is 13301177. The next prime is 13301203. The reversal of 13301201 is 10210331.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 2907025 = 3224^2 + 1705^2 .

It is a de Polignac number, because none of the positive numbers 2k-13301201 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13301203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5960 + ... + 7881.

It is an arithmetic number, because the mean of its divisors is an integer number (2290851).

Almost surely, 213301201 is an apocalyptic number.

It is an amenable number.

13301201 is a deficient number, since it is larger than the sum of its proper divisors (443905).

13301201 is an equidigital number, since it uses as much as digits as its factorization.

13301201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903 (or 13872 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13301201 is about 3647.0811616963. The cubic root of 13301201 is about 236.9355816068.

Adding to 13301201 its reverse (10210331), we get a palindrome (23511532).

The spelling of 13301201 in words is "thirteen million, three hundred one thousand, two hundred one".

Divisors: 1 31 961 13841 429071 13301201