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12220703 = 111110973
BaseRepresentation
bin101110100111…
…100100011111
3211222212122122
4232213210133
511112030303
61113533155
7205605605
oct56474437
924885578
1012220703
116997660
1241141bb
1326bb5b1
1418a1875
151115e38
hexba791f

12220703 has 4 divisors (see below), whose sum is σ = 13331688. Its totient is φ = 11109720.

The previous prime is 12220699. The next prime is 12220717. The reversal of 12220703 is 30702221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12220703 - 22 = 12220699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220003) 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, 555476 + ... + 555497.

It is an arithmetic number, because the mean of its divisors is an integer number (3332922).

Almost surely, 212220703 is an apocalyptic number.

12220703 is a deficient number, since it is larger than the sum of its proper divisors (1110985).

12220703 is a wasteful number, since it uses less digits than its factorization.

12220703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110984.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12220703 is about 3495.8122089151. The cubic root of 12220703 is about 230.3378965426.

Adding to 12220703 its reverse (30702221), we get a palindrome (42922924).

The spelling of 12220703 in words is "twelve million, two hundred twenty thousand, seven hundred three".

Divisors: 1 11 1110973 12220703