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12519329 = 29433997
BaseRepresentation
bin101111110000…
…011110100001
3212120001021212
4233300132201
511201104304
61124155505
7211261334
oct57603641
925501255
1012519329
117080a59
124238b95
1327944b4
14193c61b
15117466e
hexbf07a1

12519329 has 8 divisors (see below), whose sum is σ = 12993960. Its totient is φ = 12047616.

The previous prime is 12519317. The next prime is 12519349. The reversal of 12519329 is 92391521.

It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 10758400 = 1327^2 + 3280^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12519329 is a prime.

It is a super-2 number, since 2×125193292 = 313467197220482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12519295 and 12519304.

It is not an unprimeable number, because it can be changed into a prime (12519349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12059 + ... + 13055.

It is an arithmetic number, because the mean of its divisors is an integer number (1624245).

Almost surely, 212519329 is an apocalyptic number.

It is an amenable number.

12519329 is a deficient number, since it is larger than the sum of its proper divisors (474631).

12519329 is an equidigital number, since it uses as much as digits as its factorization.

12519329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its digits is 4860, while the sum is 32.

The square root of 12519329 is about 3538.2663834143. The cubic root of 12519329 is about 232.1990031025.

The spelling of 12519329 in words is "twelve million, five hundred nineteen thousand, three hundred twenty-nine".

Divisors: 1 29 433 997 12557 28913 431701 12519329