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13001077 = 29448313
BaseRepresentation
bin110001100110…
…000101110101
3220110112010101
4301212011311
511312013302
61142354101
7215336005
oct61460565
926415111
1013001077
11737a9a1
12442b931
13290285b
141a26005
15121c287
hexc66175

13001077 has 4 divisors (see below), whose sum is σ = 13449420. Its totient is φ = 12552736.

The previous prime is 13001071. The next prime is 13001089. The reversal of 13001077 is 77010031.

It is a happy number.

13001077 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8814961 + 4186116 = 2969^2 + 2046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13001077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001071) 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, 224128 + ... + 224185.

It is an arithmetic number, because the mean of its divisors is an integer number (3362355).

Almost surely, 213001077 is an apocalyptic number.

It is an amenable number.

13001077 is a deficient number, since it is larger than the sum of its proper divisors (448343).

13001077 is an equidigital number, since it uses as much as digits as its factorization.

13001077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448342.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 13001077 is about 3605.7006253986. The cubic root of 13001077 is about 235.1399618939.

The spelling of 13001077 in words is "thirteen million, one thousand, seventy-seven".

Divisors: 1 29 448313 13001077