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12632797 = 41308117
BaseRepresentation
bin110000001100…
…001011011101
3212202210221101
4300030023131
511213222142
61130433101
7212243212
oct60141335
925683841
1012632797
117149231
124292791
132804038
14196bb09
1511980b7
hexc0c2dd

12632797 has 4 divisors (see below), whose sum is σ = 12940956. Its totient is φ = 12324640.

The previous prime is 12632791. The next prime is 12632803. The reversal of 12632797 is 79723621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12632791) and next prime (12632803).

It can be written as a sum of positive squares in 2 ways, for example, as 164836 + 12467961 = 406^2 + 3531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12632797 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 (12632791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154018 + ... + 154099.

It is an arithmetic number, because the mean of its divisors is an integer number (3235239).

Almost surely, 212632797 is an apocalyptic number.

It is an amenable number.

12632797 is a deficient number, since it is larger than the sum of its proper divisors (308159).

12632797 is an equidigital number, since it uses as much as digits as its factorization.

12632797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308158.

The product of its digits is 31752, while the sum is 37.

The square root of 12632797 is about 3554.2646215497. The cubic root of 12632797 is about 232.8984004473.

It can be divided in two parts, 126 and 32797, that added together give a palindrome (32923).

The spelling of 12632797 in words is "twelve million, six hundred thirty-two thousand, seven hundred ninety-seven".

Divisors: 1 41 308117 12632797