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12145629 = 35237741
BaseRepresentation
bin101110010101…
…001111011101
3211212001200010
4232111033131
511102130004
61112153433
7205143666
oct56251735
924761603
1012145629
116946211
124098879
132693382
14188236d
1510eda89
hexb953dd

12145629 has 8 divisors (see below), whose sum is σ = 16227232. Its totient is φ = 8080560.

The previous prime is 12145607. The next prime is 12145669. The reversal of 12145629 is 92654121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12145629 - 25 = 12145597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12145596 and 12145605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145669) 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, 2302 + ... + 5439.

It is an arithmetic number, because the mean of its divisors is an integer number (2028404).

Almost surely, 212145629 is an apocalyptic number.

It is an amenable number.

12145629 is a deficient number, since it is larger than the sum of its proper divisors (4081603).

12145629 is an equidigital number, since it uses as much as digits as its factorization.

12145629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267.

The product of its digits is 4320, while the sum is 30.

The square root of 12145629 is about 3485.0579622153. The cubic root of 12145629 is about 229.8652581931.

The spelling of 12145629 in words is "twelve million, one hundred forty-five thousand, six hundred twenty-nine".

Divisors: 1 3 523 1569 7741 23223 4048543 12145629