Search a number
-
+
12277249 = 19271479
BaseRepresentation
bin101110110101…
…011000000001
3212002202012221
4232311120001
511120332444
61115051041
7206232505
oct56653001
925082187
1012277249
116a26096
124140a81
13270b25a
1418b8305
151127a84
hexbb5601

12277249 has 12 divisors (see below), whose sum is σ = 13167360. Its totient is φ = 11443320.

The previous prime is 12277241. The next prime is 12277253. The reversal of 12277249 is 94277221.

It is a happy number.

It is not a de Polignac number, because 12277249 - 23 = 12277241 is a prime.

It is a Duffinian number.

Its product of digits (14112) is a multiple of the sum of its prime factors (588).

It is not an unprimeable number, because it can be changed into a prime (12277241) 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 11 ways as a sum of consecutive naturals, for example, 25392 + ... + 25870.

It is an arithmetic number, because the mean of its divisors is an integer number (1097280).

Almost surely, 212277249 is an apocalyptic number.

12277249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12277249 is a deficient number, since it is larger than the sum of its proper divisors (890111).

12277249 is an equidigital number, since it uses as much as digits as its factorization.

12277249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 569 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 12277249 is about 3503.8905519437. The cubic root of 12277249 is about 230.6926128925.

The spelling of 12277249 in words is "twelve million, two hundred seventy-seven thousand, two hundred forty-nine".

Divisors: 1 19 71 361 479 1349 9101 25631 34009 172919 646171 12277249