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13472136 = 233397643
BaseRepresentation
bin110011011001…
…000110001000
3221100110022000
4303121012020
511422102021
61200431000
7222340236
oct63310610
927313260
1013472136
1176718a7
124618460
132a390a2
141b09956
1512b1b26
hexcd9188

13472136 has 64 divisors (see below), whose sum is σ = 37867200. Its totient is φ = 4437504.

The previous prime is 13472093. The next prime is 13472161. The reversal of 13472136 is 63127431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20631 + ... + 21273.

It is an arithmetic number, because the mean of its divisors is an integer number (591675).

Almost surely, 213472136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13472136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18933600).

13472136 is an abundant number, since it is smaller than the sum of its proper divisors (24395064).

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

13472136 is a wasteful number, since it uses less digits than its factorization.

13472136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 745 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 13472136 is about 3670.4408454571. The cubic root of 13472136 is about 237.9462251692.

Adding to 13472136 its reverse (63127431), we get a palindrome (76599567).

The spelling of 13472136 in words is "thirteen million, four hundred seventy-two thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 97 108 194 216 291 388 582 643 776 873 1164 1286 1746 1929 2328 2572 2619 3492 3858 5144 5238 5787 6984 7716 10476 11574 15432 17361 20952 23148 34722 46296 62371 69444 124742 138888 187113 249484 374226 498968 561339 748452 1122678 1496904 1684017 2245356 3368034 4490712 6736068 13472136