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12124772 = 22112311981
BaseRepresentation
bin101110010000…
…001001100100
3211211000001122
4232100021210
511100443042
61111513112
7205026122
oct56201144
924730048
1012124772
116931580
124088798
132686a2a
141878912
1510e77d2
hexb90264

12124772 has 24 divisors (see below), whose sum is σ = 24155712. Its totient is φ = 5271200.

The previous prime is 12124771. The next prime is 12124781. The reversal of 12124772 is 27742121.

It is not an unprimeable number, because it can be changed into a prime (12124771) 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, 4979 + ... + 7002.

It is an arithmetic number, because the mean of its divisors is an integer number (1006488).

Almost surely, 212124772 is an apocalyptic number.

It is an amenable number.

12124772 is a deficient number, since it is larger than the sum of its proper divisors (12030940).

12124772 is a wasteful number, since it uses less digits than its factorization.

12124772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12019 (or 12017 counting only the distinct ones).

The product of its digits is 1568, while the sum is 26.

The square root of 12124772 is about 3482.0643302501. The cubic root of 12124772 is about 229.7336046126.

Adding to 12124772 its reverse (27742121), we get a palindrome (39866893).

The spelling of 12124772 in words is "twelve million, one hundred twenty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 22 23 44 46 92 253 506 1012 11981 23962 47924 131791 263582 275563 527164 551126 1102252 3031193 6062386 12124772