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13010201 = 28794519
BaseRepresentation
bin110001101000…
…010100011001
3220110222122022
4301220110121
511312311301
61142504225
7215404421
oct61502431
926428568
1013010201
117386836
124435075
132906a59
141a29481
15121ed1b
hexc68519

13010201 has 4 divisors (see below), whose sum is σ = 13017600. Its totient is φ = 13002804.

The previous prime is 13010197. The next prime is 13010213. The reversal of 13010201 is 10201031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10201031 = 17956989.

It is a cyclic number.

It is not a de Polignac number, because 13010201 - 22 = 13010197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000201) 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, 620 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (3254400).

Almost surely, 213010201 is an apocalyptic number.

It is an amenable number.

13010201 is a deficient number, since it is larger than the sum of its proper divisors (7399).

13010201 is an equidigital number, since it uses as much as digits as its factorization.

13010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7398.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 13010201 is about 3606.9656222371. The cubic root of 13010201 is about 235.1949551670.

Adding to 13010201 its reverse (10201031), we get a palindrome (23211232).

The spelling of 13010201 in words is "thirteen million, ten thousand, two hundred one".

Divisors: 1 2879 4519 13010201