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12792538 = 2112920051
BaseRepresentation
bin110000110011…
…001011011010
3220001221001201
4300303023122
511233330123
61134104414
7213510013
oct60631332
926057051
1012792538
117248250
12434b10a
13285b965
1419b000a
1511ca5ad
hexc332da

12792538 has 16 divisors (see below), whose sum is σ = 21656160. Its totient is φ = 5614000.

The previous prime is 12792523. The next prime is 12792547. The reversal of 12792538 is 83529721.

12792538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12792497 and 12792506.

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, 9388 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (1353510).

Almost surely, 212792538 is an apocalyptic number.

12792538 is a deficient number, since it is larger than the sum of its proper divisors (8863622).

12792538 is a wasteful number, since it uses less digits than its factorization.

12792538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20093.

The product of its digits is 30240, while the sum is 37.

The square root of 12792538 is about 3576.6657657657. The cubic root of 12792538 is about 233.8759539285.

It can be divided in two parts, 127 and 92538, that added together give a triangular number (92665 = T430).

The spelling of 12792538 in words is "twelve million, seven hundred ninety-two thousand, five hundred thirty-eight".

Divisors: 1 2 11 22 29 58 319 638 20051 40102 220561 441122 581479 1162958 6396269 12792538