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12320441 = 712131451
BaseRepresentation
bin101110111111…
…111010111001
3212011221110122
4232333322321
511123223231
61120023025
7206502440
oct56777271
925157418
1012320441
116a55591
124161a75
132724b03
1418c9d57
15113577b
hexbbfeb9

12320441 has 8 divisors (see below), whose sum is σ = 14101824. Its totient is φ = 10544400.

The previous prime is 12320431. The next prime is 12320443. The reversal of 12320441 is 14402321.

Adding to 12320441 its reverse (14402321), we get a palindrome (26722762).

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

It is a cyclic number.

It is not a de Polignac number, because 12320441 - 222 = 8126137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12320443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7766 + ... + 9216.

It is an arithmetic number, because the mean of its divisors is an integer number (1762728).

Almost surely, 212320441 is an apocalyptic number.

It is an amenable number.

12320441 is a deficient number, since it is larger than the sum of its proper divisors (1781383).

12320441 is a wasteful number, since it uses less digits than its factorization.

12320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12320441 is about 3510.0485751625. The cubic root of 12320441 is about 230.9628257990.

The spelling of 12320441 in words is "twelve million, three hundred twenty thousand, four hundred forty-one".

Divisors: 1 7 1213 1451 8491 10157 1760063 12320441