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13208253 = 329157967
BaseRepresentation
bin110010011000…
…101010111101
3220212001022120
4302120222331
511340131003
61151033153
7220161012
oct62305275
926761276
1013208253
117501613
12450b7b9
132975c46
141a7b709
15125d853
hexc98abd

13208253 has 16 divisors (see below), whose sum is σ = 18353280. Its totient is φ = 8438976.

The previous prime is 13208219. The next prime is 13208257. The reversal of 13208253 is 35280231.

It is not a de Polignac number, because 13208253 - 29 = 13207741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13208257) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13176 + ... + 14142.

It is an arithmetic number, because the mean of its divisors is an integer number (1147080).

Almost surely, 213208253 is an apocalyptic number.

It is an amenable number.

13208253 is a deficient number, since it is larger than the sum of its proper divisors (5145027).

13208253 is a wasteful number, since it uses less digits than its factorization.

13208253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13208253 is about 3634.3160291862. The cubic root of 13208253 is about 236.3823938091.

Adding to 13208253 its reverse (35280231), we get a palindrome (48488484).

The spelling of 13208253 in words is "thirteen million, two hundred eight thousand, two hundred fifty-three".

Divisors: 1 3 29 87 157 471 967 2901 4553 13659 28043 84129 151819 455457 4402751 13208253