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12758072 = 231938263
BaseRepresentation
bin110000101010…
…110000111000
3220000011210012
4300222300320
511231224242
61133241052
7213304355
oct60526070
926004705
1012758072
117224368
124333188
132849072
1419a162c
1511c0282
hexc2ac38

12758072 has 16 divisors (see below), whose sum is σ = 24048240. Its totient is φ = 6345216.

The previous prime is 12758071. The next prime is 12758087. The reversal of 12758072 is 27085721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12758071) 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, 2588 + ... + 5675.

It is an arithmetic number, because the mean of its divisors is an integer number (1503015).

Almost surely, 212758072 is an apocalyptic number.

It is an amenable number.

12758072 is a deficient number, since it is larger than the sum of its proper divisors (11290168).

12758072 is a wasteful number, since it uses less digits than its factorization.

12758072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 12758072 is about 3571.8443415132. The cubic root of 12758072 is about 233.6657267200.

The spelling of 12758072 in words is "twelve million, seven hundred fifty-eight thousand, seventy-two".

Divisors: 1 2 4 8 193 386 772 1544 8263 16526 33052 66104 1594759 3189518 6379036 12758072