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13039894 = 27931421
BaseRepresentation
bin110001101111…
…100100010110
3220112111101001
4301233210112
511314234034
61143253514
7215560120
oct61574426
926474331
1013039894
1173a707a
12444a29a
13291741a
141a36210
151228a14
hexc6f916

13039894 has 8 divisors (see below), whose sum is σ = 22354128. Its totient is φ = 5588520.

The previous prime is 13039891. The next prime is 13039921. The reversal of 13039894 is 49893031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13039891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465697 + ... + 465724.

It is an arithmetic number, because the mean of its divisors is an integer number (2794266).

Almost surely, 213039894 is an apocalyptic number.

13039894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13039894 is a deficient number, since it is larger than the sum of its proper divisors (9314234).

13039894 is an equidigital number, since it uses as much as digits as its factorization.

13039894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931430.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 13039894 is about 3611.0793400312. The cubic root of 13039894 is about 235.3737466051.

The spelling of 13039894 in words is "thirteen million, thirty-nine thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 931421 1862842 6519947 13039894