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12953999 = 47367751
BaseRepresentation
bin110001011010…
…100110001111
3220101010112202
4301122212033
511304011444
61141352115
7215051522
oct61324617
926333482
1012953999
117348593
12440863b
1328b72b6
141a12bb9
15120d34e
hexc5a98f

12953999 has 8 divisors (see below), whose sum is σ = 13283328. Its totient is φ = 12627000.

The previous prime is 12953977. The next prime is 12954031. The reversal of 12953999 is 99935921.

12953999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12953999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953929) 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 7 ways as a sum of consecutive naturals, for example, 16874 + ... + 17624.

It is an arithmetic number, because the mean of its divisors is an integer number (1660416).

Almost surely, 212953999 is an apocalyptic number.

12953999 is a deficient number, since it is larger than the sum of its proper divisors (329329).

12953999 is an equidigital number, since it uses as much as digits as its factorization.

12953999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its digits is 196830, while the sum is 47.

The square root of 12953999 is about 3599.1664312727. The cubic root of 12953999 is about 234.8557980570.

The spelling of 12953999 in words is "twelve million, nine hundred fifty-three thousand, nine hundred ninety-nine".

Divisors: 1 47 367 751 17249 35297 275617 12953999