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13023065 = 511236783
BaseRepresentation
bin110001101011…
…011101011001
3220111122021202
4301223131121
511313214230
61143043545
7215460056
oct61533531
926448252
1013023065
117395470
1244405b5
13290c873
141a3002d
151223a45
hexc6b759

13023065 has 8 divisors (see below), whose sum is σ = 17048448. Its totient is φ = 9471280.

The previous prime is 13023053. The next prime is 13023067. The reversal of 13023065 is 56032031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13023065 - 210 = 13022041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118337 + ... + 118446.

It is an arithmetic number, because the mean of its divisors is an integer number (2131056).

Almost surely, 213023065 is an apocalyptic number.

It is an amenable number.

13023065 is a deficient number, since it is larger than the sum of its proper divisors (4025383).

13023065 is a wasteful number, since it uses less digits than its factorization.

13023065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236799.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 13023065 is about 3608.7483979906. The cubic root of 13023065 is about 235.2724469564.

Adding to 13023065 its reverse (56032031), we get a palindrome (69055096).

The spelling of 13023065 in words is "thirteen million, twenty-three thousand, sixty-five".

Divisors: 1 5 11 55 236783 1183915 2604613 13023065