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13025317 = 19739391
BaseRepresentation
bin110001101100…
…000000100101
3220111202101011
4301230000211
511313302232
61143102221
7215466454
oct61540045
926452334
1013025317
117397128
124441971
1329108b6
141a30b9b
151224547
hexc6c025

13025317 has 8 divisors (see below), whose sum is σ = 13900160. Its totient is φ = 12169440.

The previous prime is 13025297. The next prime is 13025329. The reversal of 13025317 is 71352031.

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 13025317 - 215 = 12992549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13025357) 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, 3309 + ... + 6082.

It is an arithmetic number, because the mean of its divisors is an integer number (1737520).

Almost surely, 213025317 is an apocalyptic number.

It is an amenable number.

13025317 is a deficient number, since it is larger than the sum of its proper divisors (874843).

13025317 is an equidigital number, since it uses as much as digits as its factorization.

13025317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13025317 is about 3609.0604040387. The cubic root of 13025317 is about 235.2860075893.

Adding to 13025317 its reverse (71352031), we get a palindrome (84377348).

The spelling of 13025317 in words is "thirteen million, twenty-five thousand, three hundred seventeen".

Divisors: 1 19 73 1387 9391 178429 685543 13025317