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12231241 = 117115661
BaseRepresentation
bin101110101010…
…001001001001
3212000102002221
4232222021021
511112344431
61114054041
7205651411
oct56521111
925012087
1012231241
1169a4570
12411a321
1326c3329
1418a5641
151119111
hexbaa249

12231241 has 8 divisors (see below), whose sum is σ = 13531968. Its totient is φ = 10962000.

The previous prime is 12231229. The next prime is 12231253. The reversal of 12231241 is 14213221.

12231241 is nontrivially palindromic in base 15.

It is an interprime number because it is at equal distance from previous prime (12231229) and next prime (12231253).

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 12231241 - 213 = 12223049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12238241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7050 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (1691496).

Almost surely, 212231241 is an apocalyptic number.

12231241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12231241 is a deficient number, since it is larger than the sum of its proper divisors (1300727).

12231241 is a wasteful number, since it uses less digits than its factorization.

12231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15743.

The product of its digits is 96, while the sum is 16.

The square root of 12231241 is about 3497.3191161231. The cubic root of 12231241 is about 230.4040848624.

Adding to 12231241 its reverse (14213221), we get a palindrome (26444462).

The spelling of 12231241 in words is "twelve million, two hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 11 71 781 15661 172271 1111931 12231241