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13023197 = 116411847
BaseRepresentation
bin110001101011…
…011111011101
3220111122110122
4301223133131
511313220242
61143044325
7215460335
oct61533735
926448418
1013023197
117395580
1244406a5
13290c945
141a300c5
151223ad2
hexc6b7dd

13023197 has 8 divisors (see below), whose sum is σ = 14236992. Its totient is φ = 11814400.

The previous prime is 13023191. The next prime is 13023203. The reversal of 13023197 is 79132031.

It is an interprime number because it is at equal distance from previous prime (13023191) and next prime (13023203).

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

It is a cyclic number.

It is not a de Polignac number, because 13023197 - 24 = 13023181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023191) 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, 6128 + ... + 7974.

It is an arithmetic number, because the mean of its divisors is an integer number (1779624).

Almost surely, 213023197 is an apocalyptic number.

It is an amenable number.

13023197 is a deficient number, since it is larger than the sum of its proper divisors (1213795).

13023197 is a wasteful number, since it uses less digits than its factorization.

13023197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13023197 is about 3608.7666868336. The cubic root of 13023197 is about 235.2732418501.

The spelling of 13023197 in words is "thirteen million, twenty-three thousand, one hundred ninety-seven".

Divisors: 1 11 641 1847 7051 20317 1183927 13023197