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12704152 = 231588019
BaseRepresentation
bin110000011101…
…100110011000
3212220102211011
4300131212120
511223013102
61132143304
7212661226
oct60354630
925812734
1012704152
1171978aa
124307b34
13282a666
141989b16
1511ae2d7
hexc1d998

12704152 has 8 divisors (see below), whose sum is σ = 23820300. Its totient is φ = 6352072.

The previous prime is 12704129. The next prime is 12704161. The reversal of 12704152 is 25140721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×127041522 = 322790956078208, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 794002 + ... + 794017.

Almost surely, 212704152 is an apocalyptic number.

It is an amenable number.

12704152 is a deficient number, since it is larger than the sum of its proper divisors (11116148).

12704152 is a wasteful number, since it uses less digits than its factorization.

12704152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588025 (or 1588021 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12704152 is about 3564.2884282841. The cubic root of 12704152 is about 233.3360779723.

Adding to 12704152 its reverse (25140721), we get a palindrome (37844873).

The spelling of 12704152 in words is "twelve million, seven hundred four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 1588019 3176038 6352076 12704152