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13025291 = 232292473
BaseRepresentation
bin110001101100…
…000000001011
3220111202100012
4301230000023
511313302131
61143102135
7215466416
oct61540013
926452305
1013025291
117397104
12444194b
132910896
141a30b7d
15122452b
hexc6c00b

13025291 has 8 divisors (see below), whose sum is σ = 13656480. Its totient is φ = 12399552.

The previous prime is 13025267. The next prime is 13025297. The reversal of 13025291 is 19252031.

13025291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13025291 - 218 = 12763147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (13025297) 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, 4031 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (1707060).

Almost surely, 213025291 is an apocalyptic number.

13025291 is a deficient number, since it is larger than the sum of its proper divisors (631189).

13025291 is a wasteful number, since it uses less digits than its factorization.

13025291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13025291 is about 3609.0568019913. The cubic root of 13025291 is about 235.2858510368.

The spelling of 13025291 in words is "thirteen million, twenty-five thousand, two hundred ninety-one".

Divisors: 1 23 229 2473 5267 56879 566317 13025291