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13310213 = 72271637
BaseRepresentation
bin110010110001…
…100100000101
3221001020011212
4302301210011
511401411323
61153141205
7221064200
oct62614405
927036155
1013310213
117571184
12455a805
1329b0487
141aa6937
15127db78
hexcb1905

13310213 has 6 divisors (see below), whose sum is σ = 15483366. Its totient is φ = 11408712.

The previous prime is 13310207. The next prime is 13310221. The reversal of 13310213 is 31201331.

13310213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13300609 + 9604 = 3647^2 + 98^2 .

It is not a de Polignac number, because 13310213 - 28 = 13309957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310233) 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, 135770 + ... + 135867.

It is an arithmetic number, because the mean of its divisors is an integer number (2580561).

Almost surely, 213310213 is an apocalyptic number.

It is an amenable number.

13310213 is a deficient number, since it is larger than the sum of its proper divisors (2173153).

13310213 is an equidigital number, since it uses as much as digits as its factorization.

13310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271651 (or 271644 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13310213 is about 3648.3164610543. The cubic root of 13310213 is about 236.9890800692.

Adding to 13310213 its reverse (31201331), we get a palindrome (44511544).

The spelling of 13310213 in words is "thirteen million, three hundred ten thousand, two hundred thirteen".

Divisors: 1 7 49 271637 1901459 13310213