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13327487 = 31194273
BaseRepresentation
bin110010110101…
…110001111111
3221002002212122
4302311301333
511402434422
61153353155
7221165435
oct62656177
927062778
1013327487
117583158
1245687bb
1329b82b4
141aacd55
151283d42
hexcb5c7f

13327487 has 4 divisors (see below), whose sum is σ = 13334880. Its totient is φ = 13320096.

The previous prime is 13327477. The next prime is 13327499. The reversal of 13327487 is 78472331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78472331 = 711210333.

It is a cyclic number.

It is not a de Polignac number, because 13327487 - 24 = 13327471 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 (13327477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (3333720).

Almost surely, 213327487 is an apocalyptic number.

13327487 is a deficient number, since it is larger than the sum of its proper divisors (7393).

13327487 is an equidigital number, since it uses as much as digits as its factorization.

13327487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392.

The product of its digits is 28224, while the sum is 35.

The square root of 13327487 is about 3650.6830867661. The cubic root of 13327487 is about 237.0915572594.

The spelling of 13327487 in words is "thirteen million, three hundred twenty-seven thousand, four hundred eighty-seven".

Divisors: 1 3119 4273 13327487