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12944087 = 13995699
BaseRepresentation
bin110001011000…
…001011010111
3220100121221122
4301120023113
511303202322
61141234155
7215010602
oct61301327
926317848
1012944087
1173410a2
12440295b
1328b2930
141a0d339
15120a442
hexc582d7

12944087 has 4 divisors (see below), whose sum is σ = 13939800. Its totient is φ = 11948376.

The previous prime is 12944053. The next prime is 12944093. The reversal of 12944087 is 78044921.

12944087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12944087 - 26 = 12944023 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 (12944587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497837 + ... + 497862.

It is an arithmetic number, because the mean of its divisors is an integer number (3484950).

Almost surely, 212944087 is an apocalyptic number.

12944087 is a deficient number, since it is larger than the sum of its proper divisors (995713).

12944087 is an equidigital number, since it uses as much as digits as its factorization.

12944087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995712.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12944087 is about 3597.7891822618. The cubic root of 12944087 is about 234.7958813042.

The spelling of 12944087 in words is "twelve million, nine hundred forty-four thousand, eighty-seven".

Divisors: 1 13 995699 12944087