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13339193 = 71905599
BaseRepresentation
bin110010111000…
…101000111001
3221002200221012
4302320220321
511403323233
61153523305
7221244530
oct62705071
927080835
1013339193
117590a2a
124573535
1329c071a
141ab3317
151287548
hexcb8a39

13339193 has 4 divisors (see below), whose sum is σ = 15244800. Its totient is φ = 11433588.

The previous prime is 13339187. The next prime is 13339213. The reversal of 13339193 is 39193331.

13339193 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 an emirpimes, since its reverse is a distinct semiprime: 39193331 = 311264301.

It is a cyclic number.

It is not a de Polignac number, because 13339193 - 24 = 13339177 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 (13369193) 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, 952793 + ... + 952806.

It is an arithmetic number, because the mean of its divisors is an integer number (3811200).

Almost surely, 213339193 is an apocalyptic number.

It is an amenable number.

13339193 is a deficient number, since it is larger than the sum of its proper divisors (1905607).

13339193 is an equidigital number, since it uses as much as digits as its factorization.

13339193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905606.

The product of its digits is 6561, while the sum is 32.

The square root of 13339193 is about 3652.2859964685. The cubic root of 13339193 is about 237.1609522271.

The spelling of 13339193 in words is "thirteen million, three hundred thirty-nine thousand, one hundred ninety-three".

Divisors: 1 7 1905599 13339193