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BaseRepresentation
bin110001011001…
…111001101000
3220100222122000
4301121321220
511303414034
61141331000
7215040303
oct61317150
926328560
1012951144
117346428
124406a60
1328b5bcb
141a11b3a
15120c599
hexc59e68

12951144 has 64 divisors (see below), whose sum is σ = 38102400. Its totient is φ = 4061952.

The previous prime is 12951131. The next prime is 12951151. The reversal of 12951144 is 44115921.

12951144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (595350).

Almost surely, 212951144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12951144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19051200).

12951144 is an abundant number, since it is smaller than the sum of its proper divisors (25151256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12951144 is a wasteful number, since it uses less digits than its factorization.

12951144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559 (or 3549 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 12951144 is about 3598.7697898032. The cubic root of 12951144 is about 234.8385430876.

The spelling of 12951144 in words is "twelve million, nine hundred fifty-one thousand, one hundred forty-four".