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13052708 = 229733641
BaseRepresentation
bin110001110010…
…101100100100
3220120010221122
4301302230210
511320141313
61143433112
7215642354
oct61625444
926503848
1013052708
117405769
124455798
1329201c6
141a3ab64
15122c708
hexc72b24

13052708 has 12 divisors (see below), whose sum is σ = 23078412. Its totient is φ = 6458880.

The previous prime is 13052659. The next prime is 13052713. The reversal of 13052708 is 80725031.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 4631104 = 2902^2 + 2152^2 .

It is a super-2 number, since 2×130527082 = 340746372266528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16433 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (1923201).

Almost surely, 213052708 is an apocalyptic number.

It is an amenable number.

13052708 is a deficient number, since it is larger than the sum of its proper divisors (10025704).

13052708 is a wasteful number, since it uses less digits than its factorization.

13052708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33742 (or 33740 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 13052708 is about 3612.8531661278. The cubic root of 13052708 is about 235.4508201299.

Adding to 13052708 its reverse (80725031), we get a palindrome (93777739).

The spelling of 13052708 in words is "thirteen million, fifty-two thousand, seven hundred eight".

Divisors: 1 2 4 97 194 388 33641 67282 134564 3263177 6526354 13052708