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13073029 = 69118919
BaseRepresentation
bin110001110111…
…101010000101
3220121011211021
4301313222011
511321314104
61144111141
7216055534
oct61675205
926534737
1013073029
117419a62
1244654b1
132929528
141a4431b
151233754
hexc77a85

13073029 has 4 divisors (see below), whose sum is σ = 13092640. Its totient is φ = 13053420.

The previous prime is 13073023. The next prime is 13073057. The reversal of 13073029 is 92037031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13073029 - 29 = 13072517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13072994 and 13073012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13073023) 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, 8769 + ... + 10150.

It is an arithmetic number, because the mean of its divisors is an integer number (3273160).

Almost surely, 213073029 is an apocalyptic number.

It is an amenable number.

13073029 is a deficient number, since it is larger than the sum of its proper divisors (19611).

13073029 is an equidigital number, since it uses as much as digits as its factorization.

13073029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19610.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13073029 is about 3615.6643926117. The cubic root of 13073029 is about 235.5729433274.

The spelling of 13073029 in words is "thirteen million, seventy-three thousand, twenty-nine".

Divisors: 1 691 18919 13073029