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13075307 = 72347769
BaseRepresentation
bin110001111000…
…001101101011
3220121021221122
4301320031223
511321402212
61144125455
7216065300
oct61701553
926537848
1013075307
117420743
12446688b
13292a58b
141a450a7
151234272
hexc7836b

13075307 has 12 divisors (see below), whose sum is σ = 15273720. Its totient is φ = 11160576.

The previous prime is 13075303. The next prime is 13075327. The reversal of 13075307 is 70357031.

It is not a de Polignac number, because 13075307 - 22 = 13075303 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (13075303) 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 11 ways as a sum of consecutive naturals, for example, 16619 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (1272810).

Almost surely, 213075307 is an apocalyptic number.

13075307 is a deficient number, since it is larger than the sum of its proper divisors (2198413).

13075307 is an equidigital number, since it uses as much as digits as its factorization.

13075307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 13075307 is about 3615.9793970652. The cubic root of 13075307 is about 235.5866255428.

The spelling of 13075307 in words is "thirteen million, seventy-five thousand, three hundred seven".

Divisors: 1 7 49 347 769 2429 5383 17003 37681 266843 1867901 13075307