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12952477 = 35813617
BaseRepresentation
bin110001011010…
…001110011101
3220101001110101
4301122032131
511303434402
61141341101
7215044216
oct61321635
926331411
1012952477
11734742a
124407791
1328b66b5
141a1240d
15120cb87
hexc5a39d

12952477 has 4 divisors (see below), whose sum is σ = 12959676. Its totient is φ = 12945280.

The previous prime is 12952441. The next prime is 12952483. The reversal of 12952477 is 77425921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4778596 + 8173881 = 2186^2 + 2859^2 .

It is a cyclic number.

It is not a de Polignac number, because 12952477 - 211 = 12950429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12950477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (3239919).

Almost surely, 212952477 is an apocalyptic number.

It is an amenable number.

12952477 is a deficient number, since it is larger than the sum of its proper divisors (7199).

12952477 is an equidigital number, since it uses as much as digits as its factorization.

12952477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198.

The product of its digits is 35280, while the sum is 37.

The square root of 12952477 is about 3598.9549872150. The cubic root of 12952477 is about 234.8465997514.

The spelling of 12952477 in words is "twelve million, nine hundred fifty-two thousand, four hundred seventy-seven".

Divisors: 1 3581 3617 12952477