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13288747 = 175913249
BaseRepresentation
bin110010101100…
…010100101011
3221000010201211
4302230110223
511400214442
61152453551
7220644463
oct62542453
927003654
1013288747
11755703a
12454a2b7
1329a3784
141a9cba3
151277617
hexcac52b

13288747 has 8 divisors (see below), whose sum is σ = 14310000. Its totient is φ = 12294144.

The previous prime is 13288741. The next prime is 13288753. The reversal of 13288747 is 74788231.

13288747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13288741) and next prime (13288753).

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-13288747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13288741) 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, 5622 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (1788750).

Almost surely, 213288747 is an apocalyptic number.

13288747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13288747 is a deficient number, since it is larger than the sum of its proper divisors (1021253).

13288747 is a wasteful number, since it uses less digits than its factorization.

13288747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325.

The product of its digits is 75264, while the sum is 40.

The square root of 13288747 is about 3645.3733690803. The cubic root of 13288747 is about 236.8616104127.

The spelling of 13288747 in words is "thirteen million, two hundred eighty-eight thousand, seven hundred forty-seven".

Divisors: 1 17 59 1003 13249 225233 781691 13288747