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12758630 = 251275863
BaseRepresentation
bin110000101010…
…111001100110
3220000012112212
4300222321212
511231234010
61133243422
7213306113
oct60527146
926005485
1012758630
117224825
124333572
1328493b1
1419a190a
1511c0505
hexc2ae66

12758630 has 8 divisors (see below), whose sum is σ = 22965552. Its totient is φ = 5103448.

The previous prime is 12758621. The next prime is 12758663. The reversal of 12758630 is 3685721.

It is a happy number.

12758630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 637922 + ... + 637941.

It is an arithmetic number, because the mean of its divisors is an integer number (2870694).

Almost surely, 212758630 is an apocalyptic number.

12758630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12758630 is a deficient number, since it is larger than the sum of its proper divisors (10206922).

12758630 is a wasteful number, since it uses less digits than its factorization.

12758630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275870.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12758630 is about 3571.9224515658. The cubic root of 12758630 is about 233.6691332842.

The spelling of 12758630 in words is "twelve million, seven hundred fifty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 1275863 2551726 6379315 12758630