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BaseRepresentation
bin110010001001…
…010010111101
3220201211221010
4302021102331
511331122102
61145425433
7216506265
oct62112275
926654833
1013145277
117469272
12449b279
132953392
141a627a5
151249d6c
hexc894bd

13145277 has 8 divisors (see below), whose sum is σ = 17550880. Its totient is φ = 8751600.

The previous prime is 13145273. The next prime is 13145299. The reversal of 13145277 is 77254131.

13145277 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13145277 - 22 = 13145273 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 (13145273) 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, 27 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (2193860).

Almost surely, 213145277 is an apocalyptic number.

It is an amenable number.

13145277 is a deficient number, since it is larger than the sum of its proper divisors (4405603).

13145277 is an equidigital number, since it uses as much as digits as its factorization.

13145277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963.

The product of its digits is 5880, while the sum is 30.

The square root of 13145277 is about 3625.6415983933. The cubic root of 13145277 is about 236.0061103943.

The spelling of 13145277 in words is "thirteen million, one hundred forty-five thousand, two hundred seventy-seven".

Divisors: 1 3 859 2577 5101 15303 4381759 13145277