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13389713 = 19516863
BaseRepresentation
bin110011000100…
…111110010001
3221012021020022
4303010332101
511411432323
61154553225
7221545031
oct63047621
927167208
1013389713
117615987
124598815
132a0a70c
141ac78c1
1512974c8
hexcc4f91

13389713 has 4 divisors (see below), whose sum is σ = 13398528. Its totient is φ = 13380900.

The previous prime is 13389707. The next prime is 13389743. The reversal of 13389713 is 31798331.

13389713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13389713 - 28 = 13389457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13389743) 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, 1481 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (3349632).

Almost surely, 213389713 is an apocalyptic number.

It is an amenable number.

13389713 is a deficient number, since it is larger than the sum of its proper divisors (8815).

13389713 is an equidigital number, since it uses as much as digits as its factorization.

13389713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814.

The product of its digits is 13608, while the sum is 35.

The square root of 13389713 is about 3659.1956766481. The cubic root of 13389713 is about 237.4599777436.

The spelling of 13389713 in words is "thirteen million, three hundred eighty-nine thousand, seven hundred thirteen".

Divisors: 1 1951 6863 13389713