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12506984 = 237223339
BaseRepresentation
bin101111101101…
…011101101000
3212112102100122
4233231131220
511200210414
61124022412
7211210340
oct57553550
925472318
1012506984
117072756
124231a08
13278b9a9
141937d20
151170b8e
hexbed768

12506984 has 16 divisors (see below), whose sum is σ = 26800800. Its totient is φ = 5360112.

The previous prime is 12506983. The next prime is 12507031. The reversal of 12506984 is 48960521.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12506983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111614 + ... + 111725.

It is an arithmetic number, because the mean of its divisors is an integer number (1675050).

Almost surely, 212506984 is an apocalyptic number.

12506984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12506984 is an abundant number, since it is smaller than the sum of its proper divisors (14293816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12506984 is a wasteful number, since it uses less digits than its factorization.

12506984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223352 (or 223348 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12506984 is about 3536.5214547631. The cubic root of 12506984 is about 232.1226561086.

The spelling of 12506984 in words is "twelve million, five hundred six thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 223339 446678 893356 1563373 1786712 3126746 6253492 12506984