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13107077 = 73179549
BaseRepresentation
bin110001111111…
…111110000101
3220122220112022
4301333332011
511323411302
61144532525
7216260024
oct61777605
926586468
1013107077
1174425a5
124481145
13293bb89
141a528bb
15123d8a2
hexc7ff85

13107077 has 4 divisors (see below), whose sum is σ = 13286700. Its totient is φ = 12927456.

The previous prime is 13107053. The next prime is 13107089. The reversal of 13107077 is 77070131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77070131 = 383320107.

It can be written as a sum of positive squares in 2 ways, for example, as 8755681 + 4351396 = 2959^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 13107077 - 26 = 13107013 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 (13107007) 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, 89702 + ... + 89847.

It is an arithmetic number, because the mean of its divisors is an integer number (3321675).

Almost surely, 213107077 is an apocalyptic number.

It is an amenable number.

13107077 is a deficient number, since it is larger than the sum of its proper divisors (179623).

13107077 is an equidigital number, since it uses as much as digits as its factorization.

13107077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179622.

The product of its (nonzero) digits is 1029, while the sum is 26.

The square root of 13107077 is about 3620.3697324997. The cubic root of 13107077 is about 235.7772783848. Note that the first 3 decimals are identical.

The spelling of 13107077 in words is "thirteen million, one hundred seven thousand, seventy-seven".

Divisors: 1 73 179549 13107077