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13307077 = 72271573
BaseRepresentation
bin110010110000…
…110011000101
3221001001212201
4302300303011
511401311302
61153114501
7221052100
oct62606305
927031781
1013307077
117569893
124558a31
1329abc14
141aa5737
15127cc87
hexcb0cc5

13307077 has 6 divisors (see below), whose sum is σ = 15479718. Its totient is φ = 11406024.

The previous prime is 13307059. The next prime is 13307093. The reversal of 13307077 is 77070331.

13307077 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 159201 = 3626^2 + 399^2 .

It is not a de Polignac number, because 13307077 - 219 = 12782789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13307017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135738 + ... + 135835.

It is an arithmetic number, because the mean of its divisors is an integer number (2579953).

Almost surely, 213307077 is an apocalyptic number.

It is an amenable number.

13307077 is a deficient number, since it is larger than the sum of its proper divisors (2172641).

13307077 is an equidigital number, since it uses as much as digits as its factorization.

13307077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271587 (or 271580 counting only the distinct ones).

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 13307077 is about 3647.8866484583. The cubic root of 13307077 is about 236.9704663893.

The spelling of 13307077 in words is "thirteen million, three hundred seven thousand, seventy-seven".

Divisors: 1 7 49 271573 1901011 13307077