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12948323 = 17972337
BaseRepresentation
bin110001011001…
…001101100011
3220100211202112
4301121031203
511303321243
61141305535
7215026133
oct61311543
926324675
1012948323
1173442a3
1244052ab
1328b483b
141a10ac3
15120b818
hexc59363

12948323 has 4 divisors (see below), whose sum is σ = 13020840. Its totient is φ = 12875808.

The previous prime is 12948319. The next prime is 12948349. The reversal of 12948323 is 32384921.

It is a happy number.

12948323 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, and also an emirpimes, since its reverse is a distinct semiprime: 32384921 = 118727283.

It is a cyclic number.

It is not a de Polignac number, because 12948323 - 22 = 12948319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12948323.

It is not an unprimeable number, because it can be changed into a prime (12948223) 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, 35990 + ... + 36347.

It is an arithmetic number, because the mean of its divisors is an integer number (3255210).

Almost surely, 212948323 is an apocalyptic number.

12948323 is a deficient number, since it is larger than the sum of its proper divisors (72517).

12948323 is an equidigital number, since it uses as much as digits as its factorization.

12948323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72516.

The product of its digits is 10368, while the sum is 32.

The square root of 12948323 is about 3598.3778289668. The cubic root of 12948323 is about 234.8214911155.

The spelling of 12948323 in words is "twelve million, nine hundred forty-eight thousand, three hundred twenty-three".

Divisors: 1 179 72337 12948323