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12631006 = 26315503
BaseRepresentation
bin110000001011…
…101111011110
3212202201111001
4300023233132
511213143011
61130420514
7212235043
oct60135736
925681431
1012631006
117147953
12429173a
13280328b
14196b1ca
1511977c1
hexc0bbde

12631006 has 4 divisors (see below), whose sum is σ = 18946512. Its totient is φ = 6315502.

The previous prime is 12631001. The next prime is 12631019. The reversal of 12631006 is 60013621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157750 + ... + 3157753.

It is an arithmetic number, because the mean of its divisors is an integer number (4736628).

Almost surely, 212631006 is an apocalyptic number.

12631006 is a deficient number, since it is larger than the sum of its proper divisors (6315506).

12631006 is an equidigital number, since it uses as much as digits as its factorization.

12631006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315505.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 12631006 is about 3554.0126617670. The cubic root of 12631006 is about 232.8873936278.

Adding to 12631006 its reverse (60013621), we get a palindrome (72644627).

The spelling of 12631006 in words is "twelve million, six hundred thirty-one thousand, six".

Divisors: 1 2 6315503 12631006