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13812934 = 26906467
BaseRepresentation
bin110100101100…
…010011000110
3221222202210011
4310230103012
512014003214
61212020434
7225256642
oct64542306
927882704
1013812934
117884953
12476171a
132b28245
141b97c22
15132cac4
hexd2c4c6

13812934 has 4 divisors (see below), whose sum is σ = 20719404. Its totient is φ = 6906466.

The previous prime is 13812919. The next prime is 13812977. The reversal of 13812934 is 43921831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43921831 = 58437517.

It is a junction number, because it is equal to n+sod(n) for n = 13812896 and 13812905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3453232 + ... + 3453235.

It is an arithmetic number, because the mean of its divisors is an integer number (5179851).

Almost surely, 213812934 is an apocalyptic number.

13812934 is a deficient number, since it is larger than the sum of its proper divisors (6906470).

13812934 is an equidigital number, since it uses as much as digits as its factorization.

13812934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906469.

The product of its digits is 5184, while the sum is 31.

The square root of 13812934 is about 3716.5755743695. The cubic root of 13812934 is about 239.9359435529.

The spelling of 13812934 in words is "thirteen million, eight hundred twelve thousand, nine hundred thirty-four".

Divisors: 1 2 6906467 13812934