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13363636 = 22111361383
BaseRepresentation
bin110010111110…
…100110110100
3221010221110111
4302332212310
511410114021
61154232404
7221406016
oct62764664
927127414
1013363636
1175a8330
124585704
1329cb8a0
141abc1b6
15128e8e1
hexcbe9b4

13363636 has 48 divisors (see below), whose sum is σ = 27998208. Its totient is φ = 5500800.

The previous prime is 13363627. The next prime is 13363639. The reversal of 13363636 is 63636331.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

13363636 is a modest number, since divided by 3636 gives 1336 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13363598 and 13363607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13363639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34701 + ... + 35083.

It is an arithmetic number, because the mean of its divisors is an integer number (583296).

Almost surely, 213363636 is an apocalyptic number.

It is an amenable number.

13363636 is an abundant number, since it is smaller than the sum of its proper divisors (14634572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13363636 is a wasteful number, since it uses less digits than its factorization.

13363636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its digits is 17496, while the sum is 31.

The square root of 13363636 is about 3655.6307253332. The cubic root of 13363636 is about 237.3057233027.

Adding to 13363636 its reverse (63636331), we get a palindrome (76999967).

The spelling of 13363636 in words is "thirteen million, three hundred sixty-three thousand, six hundred thirty-six".

Divisors: 1 2 4 11 13 22 26 44 52 61 122 143 244 286 383 572 671 766 793 1342 1532 1586 2684 3172 4213 4979 8426 8723 9958 16852 17446 19916 23363 34892 46726 54769 93452 109538 219076 256993 303719 513986 607438 1027972 1214876 3340909 6681818 13363636