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13369705 = 52673941
BaseRepresentation
bin110011000000…
…000101101001
3221011020210021
4303000011221
511410312310
61154320441
7221432506
oct63000551
927136707
1013369705
117601948
124589121
132a0158b
141ac04ad
1512915da
hexcc0169

13369705 has 4 divisors (see below), whose sum is σ = 16043652. Its totient is φ = 10695760.

The previous prime is 13369703. The next prime is 13369717. The reversal of 13369705 is 50796331.

13369705 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 50796331 = 471080773.

It can be written as a sum of positive squares in 2 ways, for example, as 6651241 + 6718464 = 2579^2 + 2592^2 .

It is not a de Polignac number, because 13369705 - 21 = 13369703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13369703) 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, 1336966 + ... + 1336975.

It is an arithmetic number, because the mean of its divisors is an integer number (4010913).

Almost surely, 213369705 is an apocalyptic number.

It is an amenable number.

13369705 is a deficient number, since it is larger than the sum of its proper divisors (2673947).

13369705 is an equidigital number, since it uses as much as digits as its factorization.

13369705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673946.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 13369705 is about 3656.4607204235. The cubic root of 13369705 is about 237.3416414333.

The spelling of 13369705 in words is "thirteen million, three hundred sixty-nine thousand, seven hundred five".

Divisors: 1 5 2673941 13369705