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12620938 = 211573679
BaseRepresentation
bin110000001001…
…010010001010
3212202012200011
4300021102022
511212332223
61130302134
7212163511
oct60112212
925665604
1012620938
117140330
12428794a
1327cb815
141967678
15119480d
hexc0948a

12620938 has 8 divisors (see below), whose sum is σ = 20652480. Its totient is φ = 5736780.

The previous prime is 12620891. The next prime is 12620939. The reversal of 12620938 is 83902621.

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

It is not an unprimeable number, because it can be changed into a prime (12620939) 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, 286818 + ... + 286861.

It is an arithmetic number, because the mean of its divisors is an integer number (2581560).

Almost surely, 212620938 is an apocalyptic number.

12620938 is a deficient number, since it is larger than the sum of its proper divisors (8031542).

12620938 is a wasteful number, since it uses less digits than its factorization.

12620938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573692.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12620938 is about 3552.5959522580. The cubic root of 12620938 is about 232.8255000743.

The spelling of 12620938 in words is "twelve million, six hundred twenty thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 573679 1147358 6310469 12620938