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13056295 = 57323331
BaseRepresentation
bin110001110011…
…100100100111
3220120022212111
4301303210213
511320300140
61143501451
7215656000
oct61634447
926508774
1013056295
11740842a
124457887
132921a25
141a3c1a7
15122d7ea
hexc73927

13056295 has 32 divisors (see below), whose sum is σ = 19123200. Its totient is φ = 8537760.

The previous prime is 13056229. The next prime is 13056311. The reversal of 13056295 is 59265031.

It is not a de Polignac number, because 13056295 - 27 = 13056167 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 39280 + ... + 39610.

It is an arithmetic number, because the mean of its divisors is an integer number (597600).

Almost surely, 213056295 is an apocalyptic number.

13056295 is a deficient number, since it is larger than the sum of its proper divisors (6066905).

13056295 is an equidigital number, since it uses as much as digits as its factorization.

13056295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 13056295 is about 3613.3495540841. The cubic root of 13056295 is about 235.4723861462.

The spelling of 13056295 in words is "thirteen million, fifty-six thousand, two hundred ninety-five".

Divisors: 1 5 7 23 35 49 115 161 245 331 343 805 1127 1655 1715 2317 5635 7613 7889 11585 16219 38065 39445 53291 81095 113533 266455 373037 567665 1865185 2611259 13056295