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12900637 = 172273343
BaseRepresentation
bin110001001101…
…100100011101
3220021102100101
4301031210131
511300310022
61140301101
7214440121
oct61154435
926242311
1012900637
117311492
1243a1791
132898c19
1419db581
1511ec627
hexc4d91d

12900637 has 8 divisors (see below), whose sum is σ = 13723776. Its totient is φ = 12084672.

The previous prime is 12900623. The next prime is 12900661. The reversal of 12900637 is 73600921.

12900637 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12900637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188 + ... + 5530.

It is an arithmetic number, because the mean of its divisors is an integer number (1715472).

Almost surely, 212900637 is an apocalyptic number.

12900637 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12900637 is a deficient number, since it is larger than the sum of its proper divisors (823139).

12900637 is a wasteful number, since it uses less digits than its factorization.

12900637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 12900637 is about 3591.7456758518. The cubic root of 12900637 is about 234.5328701595.

The spelling of 12900637 in words is "twelve million, nine hundred thousand, six hundred thirty-seven".

Divisors: 1 17 227 3343 3859 56831 758861 12900637