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12749353 is a prime number
BaseRepresentation
bin110000101000…
…101000101001
3212222201211021
4300220220221
511230434403
61133132441
7213240061
oct60505051
925881737
1012749353
117218861
12432a121
1328450c6
14199c3a1
1511bc8bd
hexc28a29

12749353 has 2 divisors, whose sum is σ = 12749354. Its totient is φ = 12749352.

The previous prime is 12749327. The next prime is 12749393. The reversal of 12749353 is 35394721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7118224 + 5631129 = 2668^2 + 2373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12749353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12749393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374676 + 6374677.

It is an arithmetic number, because the mean of its divisors is an integer number (6374677).

Almost surely, 212749353 is an apocalyptic number.

It is an amenable number.

12749353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12749353 is an equidigital number, since it uses as much as digits as its factorization.

12749353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 12749353 is about 3570.6236150006. The cubic root of 12749353 is about 233.6124847213.

The spelling of 12749353 in words is "twelve million, seven hundred forty-nine thousand, three hundred fifty-three".