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13392713 = 31432023
BaseRepresentation
bin110011000101…
…101101001001
3221012102100102
4303011231021
511412031323
61155015145
7221556545
oct63055511
927172312
1013392713
117618164
12459a4b5
132a0bba9
141ac8a25
151298328
hexcc5b49

13392713 has 4 divisors (see below), whose sum is σ = 13824768. Its totient is φ = 12960660.

The previous prime is 13392707. The next prime is 13392761. The reversal of 13392713 is 31729331.

13392713 is digitally balanced in base 2 and base 3, because in such bases 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 an emirpimes, since its reverse is a distinct semiprime: 31729331 = 77341047.

It is a cyclic number.

It is not a de Polignac number, because 13392713 - 26 = 13392649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13392763) 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, 215981 + ... + 216042.

It is an arithmetic number, because the mean of its divisors is an integer number (3456192).

Almost surely, 213392713 is an apocalyptic number.

It is an amenable number.

13392713 is a deficient number, since it is larger than the sum of its proper divisors (432055).

13392713 is an equidigital number, since it uses as much as digits as its factorization.

13392713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432054.

The product of its digits is 3402, while the sum is 29.

The square root of 13392713 is about 3659.6055798405. The cubic root of 13392713 is about 237.4777109277.

The spelling of 13392713 in words is "thirteen million, three hundred ninety-two thousand, seven hundred thirteen".

Divisors: 1 31 432023 13392713