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13301413 = 15978329
BaseRepresentation
bin110010101111…
…011010100101
3221000210002221
4302233122211
511401121123
61153032341
7221026426
oct62573245
927023087
1013301413
117565604
1245556b1
1329a9478
141aa364d
15127b25d
hexcaf6a5

13301413 has 4 divisors (see below), whose sum is σ = 13311340. Its totient is φ = 13291488.

The previous prime is 13301381. The next prime is 13301417. The reversal of 13301413 is 31410331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 11175649 = 1458^2 + 3343^2 .

It is a cyclic number.

It is not a de Polignac number, because 13301413 - 25 = 13301381 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 (13301417) 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, 2568 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (3327835).

Almost surely, 213301413 is an apocalyptic number.

It is an amenable number.

13301413 is a deficient number, since it is larger than the sum of its proper divisors (9927).

13301413 is an equidigital number, since it uses as much as digits as its factorization.

13301413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13301413 is about 3647.1102259186. The cubic root of 13301413 is about 236.9368403922.

Adding to 13301413 its reverse (31410331), we get a palindrome (44711744).

The spelling of 13301413 in words is "thirteen million, three hundred one thousand, four hundred thirteen".

Divisors: 1 1597 8329 13301413