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12503968 = 253791031
BaseRepresentation
bin101111101100…
…101110100000
3212112021012221
4233230232200
511200111333
61124000424
7211165501
oct57545640
925467187
1012503968
117070464
124230114
13278a4c9
141936ba8
15116ed2d
hexbecba0

12503968 has 24 divisors (see below), whose sum is σ = 24706080. Its totient is φ = 6229440.

The previous prime is 12503941. The next prime is 12503971. The reversal of 12503968 is 86930521.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11613 + ... + 12643.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 212503968 is an apocalyptic number.

It is an amenable number.

12503968 is a deficient number, since it is larger than the sum of its proper divisors (12202112).

12503968 is a wasteful number, since it uses less digits than its factorization.

12503968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12503968 is about 3536.0950213477. The cubic root of 12503968 is about 232.1039961820.

The spelling of 12503968 in words is "twelve million, five hundred three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 379 758 1031 1516 2062 3032 4124 6064 8248 12128 16496 32992 390749 781498 1562996 3125992 6251984 12503968