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13325617 = 52125577
BaseRepresentation
bin110010110101…
…010100110001
3221002000022101
4302311110301
511402404432
61153340401
7221160124
oct62652461
927060271
1013325617
117581808
124567701
1329b74a6
141aac3bb
1512834e7
hexcb5531

13325617 has 4 divisors (see below), whose sum is σ = 13351716. Its totient is φ = 13299520.

The previous prime is 13325591. The next prime is 13325623. The reversal of 13325617 is 71652331.

13325617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1874161 + 11451456 = 1369^2 + 3384^2 .

It is a cyclic number.

It is not a de Polignac number, because 13325617 - 27 = 13325489 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13325677) 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, 12268 + ... + 13309.

It is an arithmetic number, because the mean of its divisors is an integer number (3337929).

Almost surely, 213325617 is an apocalyptic number.

It is an amenable number.

13325617 is a deficient number, since it is larger than the sum of its proper divisors (26099).

13325617 is an equidigital number, since it uses as much as digits as its factorization.

13325617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26098.

The product of its digits is 3780, while the sum is 28.

The square root of 13325617 is about 3650.4269613293. The cubic root of 13325617 is about 237.0804678482.

Adding to 13325617 its reverse (71652331), we get a palindrome (84977948).

The spelling of 13325617 in words is "thirteen million, three hundred twenty-five thousand, six hundred seventeen".

Divisors: 1 521 25577 13325617