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13080679 = 32294051
BaseRepresentation
bin110001111001…
…100001100111
3220121120022121
4301321201213
511322040204
61144210411
7216120043
oct61714147
926546277
1013080679
117424787
124469a07
13292cb61
141a47023
151235b54
hexc79867

13080679 has 4 divisors (see below), whose sum is σ = 13087960. Its totient is φ = 13073400.

The previous prime is 13080673. The next prime is 13080707. The reversal of 13080679 is 97608031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97608031 = 711374761.

It is a cyclic number.

It is not a de Polignac number, because 13080679 - 23 = 13080671 is a prime.

It is a super-2 number, since 2×130806792 = 342208326202082, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13080671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204 + ... + 5254.

It is an arithmetic number, because the mean of its divisors is an integer number (3271990).

Almost surely, 213080679 is an apocalyptic number.

13080679 is a deficient number, since it is larger than the sum of its proper divisors (7281).

13080679 is an equidigital number, since it uses as much as digits as its factorization.

13080679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 13080679 is about 3616.7221347513. The cubic root of 13080679 is about 235.6188847745.

The spelling of 13080679 in words is "thirteen million, eighty thousand, six hundred seventy-nine".

Divisors: 1 3229 4051 13080679