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13712258 = 272139921
BaseRepresentation
bin110100010011…
…101110000010
3221210122200102
4310103232002
512002243013
61205522402
7224360300
oct64235602
927718612
1013712258
11781624a
124713402
132ac1481
141b6d270
15130cd58
hexd13b82

13712258 has 12 divisors (see below), whose sum is σ = 23926662. Its totient is φ = 5876640.

The previous prime is 13712239. The next prime is 13712269. The reversal of 13712258 is 85221731.

It can be written as a sum of positive squares in only one way, i.e., 13712209 + 49 = 3703^2 + 7^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13712258.

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 5 ways as a sum of consecutive naturals, for example, 69863 + ... + 70058.

Almost surely, 213712258 is an apocalyptic number.

13712258 is a deficient number, since it is larger than the sum of its proper divisors (10214404).

13712258 is a wasteful number, since it uses less digits than its factorization.

13712258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139937 (or 139930 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 13712258 is about 3703.0066162512. The cubic root of 13712258 is about 239.3515946957.

Adding to 13712258 its reverse (85221731), we get a palindrome (98933989).

The spelling of 13712258 in words is "thirteen million, seven hundred twelve thousand, two hundred fifty-eight".

Divisors: 1 2 7 14 49 98 139921 279842 979447 1958894 6856129 13712258