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12949677 = 3213110681
BaseRepresentation
bin110001011001…
…100010101101
3220100220121200
4301121202231
511303342202
61141320113
7215033106
oct61314255
926326550
1012949677
117345314
124406039
1328b5340
141a113ad
15120be1c
hexc598ad

12949677 has 12 divisors (see below), whose sum is σ = 20144124. Its totient is φ = 7968960.

The previous prime is 12949639. The next prime is 12949679. The reversal of 12949677 is 77694921.

12949677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5447556 + 7502121 = 2334^2 + 2739^2 .

It is not a de Polignac number, because 12949677 - 218 = 12687533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12949679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55224 + ... + 55457.

It is an arithmetic number, because the mean of its divisors is an integer number (1678677).

Almost surely, 212949677 is an apocalyptic number.

It is an amenable number.

12949677 is a deficient number, since it is larger than the sum of its proper divisors (7194447).

12949677 is a wasteful number, since it uses less digits than its factorization.

12949677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110700 (or 110697 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 12949677 is about 3598.5659643808. The cubic root of 12949677 is about 234.8296758876.

The spelling of 12949677 in words is "twelve million, nine hundred forty-nine thousand, six hundred seventy-seven".

Divisors: 1 3 9 13 39 117 110681 332043 996129 1438853 4316559 12949677