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12635472 = 243263239
BaseRepresentation
bin110000001100…
…110101010000
3212202221121110
4300030311100
511213313342
61130453320
7212254053
oct60146520
925687543
1012635472
117150243
124294240
132805315
14196ca9a
151198c9c
hexc0cd50

12635472 has 20 divisors (see below), whose sum is σ = 32641760. Its totient is φ = 4211808.

The previous prime is 12635461. The next prime is 12635509. The reversal of 12635472 is 27453621.

It is a super-3 number, since 3×126354723 (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131572 + ... + 131667.

It is an arithmetic number, because the mean of its divisors is an integer number (1632088).

Almost surely, 212635472 is an apocalyptic number.

12635472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12635472 is an abundant number, since it is smaller than the sum of its proper divisors (20006288).

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

12635472 is a wasteful number, since it uses less digits than its factorization.

12635472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263250 (or 263244 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 12635472 is about 3554.6409101342. The cubic root of 12635472 is about 232.9148380647.

The spelling of 12635472 in words is "twelve million, six hundred thirty-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 263239 526478 789717 1052956 1579434 2105912 3158868 4211824 6317736 12635472