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12279325 = 522916937
BaseRepresentation
bin101110110101…
…111000011101
3212002212001211
4232311320131
511120414300
61115104421
7206241532
oct56657035
925085054
1012279325
116a27703
124142111
13270c196
1418b8d89
1511284ba
hexbb5e1d

12279325 has 12 divisors (see below), whose sum is σ = 15752340. Its totient is φ = 9484160.

The previous prime is 12279313. The next prime is 12279341. The reversal of 12279325 is 52397221.

It can be written as a sum of positive squares in 6 ways, for example, as 521284 + 11758041 = 722^2 + 3429^2 .

It is not a de Polignac number, because 12279325 - 221 = 10182173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7744 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (1312695).

Almost surely, 212279325 is an apocalyptic number.

It is an amenable number.

12279325 is a deficient number, since it is larger than the sum of its proper divisors (3473015).

12279325 is a wasteful number, since it uses less digits than its factorization.

12279325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16976 (or 16971 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 12279325 is about 3504.1867815515. The cubic root of 12279325 is about 230.7056150146.

The spelling of 12279325 in words is "twelve million, two hundred seventy-nine thousand, three hundred twenty-five".

Divisors: 1 5 25 29 145 725 16937 84685 423425 491173 2455865 12279325