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13014679 = 22075897
BaseRepresentation
bin110001101001…
…011010010111
3220111012210011
4301221122113
511312432204
61142541051
7215423446
oct61513227
926435704
1013014679
11738a137
124437787
132908ac2
141a2ad5d
151221304
hexc69697

13014679 has 4 divisors (see below), whose sum is σ = 13022784. Its totient is φ = 13006576.

The previous prime is 13014647. The next prime is 13014739. The reversal of 13014679 is 97641031.

It is a happy number.

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: 97641031 = 107912533.

It is a cyclic number.

It is not a de Polignac number, because 13014679 - 25 = 13014647 is a prime.

It is a super-4 number, since 4×130146794 (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13014679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13014479) 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, 742 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (3255696).

Almost surely, 213014679 is an apocalyptic number.

13014679 is a deficient number, since it is larger than the sum of its proper divisors (8105).

13014679 is an equidigital number, since it uses as much as digits as its factorization.

13014679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13014679 is about 3607.5863122038. The cubic root of 13014679 is about 235.2219361029.

The spelling of 13014679 in words is "thirteen million, fourteen thousand, six hundred seventy-nine".

Divisors: 1 2207 5897 13014679