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12633738 = 2313161971
BaseRepresentation
bin110000001100…
…011010001010
3212202212020020
4300030122022
511213234423
61130441310
7212246025
oct60143212
925685206
1012633738
117149a07
124293236
1328045b0
14196c1bc
1511984e3
hexc0c68a

12633738 has 16 divisors (see below), whose sum is σ = 27211296. Its totient is φ = 3887280.

The previous prime is 12633713. The next prime is 12633743. The reversal of 12633738 is 83733621.

It is a super-2 number, since 2×126337382 = 319222671705288, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12633699 and 12633708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80908 + ... + 81063.

It is an arithmetic number, because the mean of its divisors is an integer number (1700706).

Almost surely, 212633738 is an apocalyptic number.

12633738 is an abundant number, since it is smaller than the sum of its proper divisors (14577558).

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

12633738 is a wasteful number, since it uses less digits than its factorization.

12633738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161989.

The product of its digits is 18144, while the sum is 33.

The square root of 12633738 is about 3554.3969952722. The cubic root of 12633738 is about 232.9041830662.

The spelling of 12633738 in words is "twelve million, six hundred thirty-three thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 161971 323942 485913 971826 2105623 4211246 6316869 12633738