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13472163 = 3555441
BaseRepresentation
bin110011011001…
…000110100011
3221100110100000
4303121012203
511422102123
61200431043
7222340305
oct63310643
927313300
1013472163
117671921
124618483
132a390c3
141b09975
1512b1b43
hexcd91a3

13472163 has 12 divisors (see below), whose sum is σ = 20180888. Its totient is φ = 8981280.

The previous prime is 13472161. The next prime is 13472219. The reversal of 13472163 is 36127431.

13472163 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13472163 - 21 = 13472161 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13472161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27478 + ... + 27963.

Almost surely, 213472163 is an apocalyptic number.

13472163 is a deficient number, since it is larger than the sum of its proper divisors (6708725).

13472163 is an frugal number, since it uses more digits than its factorization.

13472163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55456 (or 55444 counting only the distinct ones).

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

The square root of 13472163 is about 3670.4445234876. Note that the first 3 decimals coincide. The cubic root of 13472163 is about 237.9463841280.

Adding to 13472163 its reverse (36127431), we get a palindrome (49599594).

The spelling of 13472163 in words is "thirteen million, four hundred seventy-two thousand, one hundred sixty-three".

Divisors: 1 3 9 27 81 243 55441 166323 498969 1496907 4490721 13472163