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13274005 = 52654801
BaseRepresentation
bin110010101000…
…101110010101
3220222101111211
4302220232111
511344232010
61152301421
7220553503
oct62505625
926871454
1013274005
117546a58
124541871
132999b54
141a97673
15127308a
hexca8b95

13274005 has 4 divisors (see below), whose sum is σ = 15928812. Its totient is φ = 10619200.

The previous prime is 13273987. The next prime is 13274011. The reversal of 13274005 is 50047231.

13274005 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 an emirpimes, since its reverse is a distinct semiprime: 50047231 = 133849787.

It can be written as a sum of positive squares in 2 ways, for example, as 4165681 + 9108324 = 2041^2 + 3018^2 .

It is not a de Polignac number, because 13274005 - 29 = 13273493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327396 + ... + 1327405.

It is an arithmetic number, because the mean of its divisors is an integer number (3982203).

Almost surely, 213274005 is an apocalyptic number.

It is an amenable number.

13274005 is a deficient number, since it is larger than the sum of its proper divisors (2654807).

13274005 is an equidigital number, since it uses as much as digits as its factorization.

13274005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654806.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13274005 is about 3643.3507928828. The cubic root of 13274005 is about 236.7739897643.

The spelling of 13274005 in words is "thirteen million, two hundred seventy-four thousand, five".

Divisors: 1 5 2654801 13274005