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13010077 = 19766041
BaseRepresentation
bin110001101000…
…010010011101
3220110222110201
4301220102131
511312310302
61142503501
7215404153
oct61502235
926428421
1013010077
117386733
124434b91
132906992
141a293d3
15121ec87
hexc6849d

13010077 has 4 divisors (see below), whose sum is σ = 13076316. Its totient is φ = 12943840.

The previous prime is 13010059. The next prime is 13010143. The reversal of 13010077 is 77001031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77001031 = 487158113.

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 2859481 = 3186^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 13010077 - 27 = 13009949 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 (13010047) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 32824 + ... + 33217.

It is an arithmetic number, because the mean of its divisors is an integer number (3269079).

Almost surely, 213010077 is an apocalyptic number.

It is an amenable number.

13010077 is a deficient number, since it is larger than the sum of its proper divisors (66239).

13010077 is an equidigital number, since it uses as much as digits as its factorization.

13010077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66238.

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

The square root of 13010077 is about 3606.9484332327. The cubic root of 13010077 is about 235.1942079516.

The spelling of 13010077 in words is "thirteen million, ten thousand, seventy-seven".

Divisors: 1 197 66041 13010077