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12607904 = 25393997
BaseRepresentation
bin110000000110…
…000110100000
3212201112210102
4300012012200
511211423104
61130121532
7212110511
oct60060640
925645712
1012607904
117131561
1242802a8
1327c58ca
141962a08
151190a1e
hexc061a0

12607904 has 12 divisors (see below), whose sum is σ = 24821874. Its totient is φ = 6303936.

The previous prime is 12607877. The next prime is 12607909. The reversal of 12607904 is 40970621.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 19600 = 3548^2 + 140^2 .

It is not an unprimeable number, because it can be changed into a prime (12607909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196967 + ... + 197030.

Almost surely, 212607904 is an apocalyptic number.

It is an amenable number.

12607904 is a deficient number, since it is larger than the sum of its proper divisors (12213970).

12607904 is an equidigital number, since it uses as much as digits as its factorization.

12607904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394007 (or 393999 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12607904 is about 3550.7610451845. The cubic root of 12607904 is about 232.7453239727.

The spelling of 12607904 in words is "twelve million, six hundred seven thousand, nine hundred four".

Divisors: 1 2 4 8 16 32 393997 787994 1575988 3151976 6303952 12607904