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12695042 = 26347521
BaseRepresentation
bin110000011011…
…011000000010
3212212222022202
4300123120002
511222220132
61132033202
7212622533
oct60333002
925788282
1012695042
117190a78
124302802
132826479
14198668a
1511ab762
hexc1b602

12695042 has 4 divisors (see below), whose sum is σ = 19042566. Its totient is φ = 6347520.

The previous prime is 12695041. The next prime is 12695077. The reversal of 12695042 is 24059621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24059621 = 113212917.

It can be written as a sum of positive squares in only one way, i.e., 12666481 + 28561 = 3559^2 + 169^2 .

It is a super-2 number, since 2×126950422 = 322328182763528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12694996 and 12695014.

It is not an unprimeable number, because it can be changed into a prime (12695041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173759 + ... + 3173762.

Almost surely, 212695042 is an apocalyptic number.

12695042 is a deficient number, since it is larger than the sum of its proper divisors (6347524).

12695042 is an equidigital number, since it uses as much as digits as its factorization.

12695042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347523.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12695042 is about 3563.0102441615. The cubic root of 12695042 is about 233.2802904372.

The spelling of 12695042 in words is "twelve million, six hundred ninety-five thousand, forty-two".

Divisors: 1 2 6347521 12695042