Search a number
-
+
12233137 = 71747591
BaseRepresentation
bin101110101010…
…100110110001
3212000111201011
4232222212301
511112430022
61114110521
7205660060
oct56524661
925014634
1012233137
1169a5a34
12411b441
1326c4157
1418a61d7
151119977
hexbaa9b1

12233137 has 4 divisors (see below), whose sum is σ = 13980736. Its totient is φ = 10485540.

The previous prime is 12233107. The next prime is 12233159. The reversal of 12233137 is 73133221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73133221 = 710447603.

It is a cyclic number.

It is not a de Polignac number, because 12233137 - 27 = 12233009 is a prime.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12233107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873789 + ... + 873802.

It is an arithmetic number, because the mean of its divisors is an integer number (3495184).

Almost surely, 212233137 is an apocalyptic number.

It is an amenable number.

12233137 is a deficient number, since it is larger than the sum of its proper divisors (1747599).

12233137 is an equidigital number, since it uses as much as digits as its factorization.

12233137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747598.

The product of its digits is 756, while the sum is 22.

The square root of 12233137 is about 3497.5901703887. The cubic root of 12233137 is about 230.4159894482.

Adding to 12233137 its reverse (73133221), we get a palindrome (85366358).

The spelling of 12233137 in words is "twelve million, two hundred thirty-three thousand, one hundred thirty-seven".

Divisors: 1 7 1747591 12233137