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13872589 is a prime number
BaseRepresentation
bin110100111010…
…110111001101
3222002210121121
4310322313031
512022410324
61213200541
7225625603
oct64726715
928083547
1013872589
117915755
124790151
132b49443
141bb1873
1513405e4
hexd3adcd

13872589 has 2 divisors, whose sum is σ = 13872590. Its totient is φ = 13872588.

The previous prime is 13872577. The next prime is 13872601. The reversal of 13872589 is 98527831.

It is a balanced prime because it is at equal distance from previous prime (13872577) and next prime (13872601).

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 3258025 = 3258^2 + 1805^2 .

It is an emirp because it is prime and its reverse (98527831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13872589 - 25 = 13872557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13872569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936294 + 6936295.

It is an arithmetic number, because the mean of its divisors is an integer number (6936295).

Almost surely, 213872589 is an apocalyptic number.

It is an amenable number.

13872589 is a deficient number, since it is larger than the sum of its proper divisors (1).

13872589 is an equidigital number, since it uses as much as digits as its factorization.

13872589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 13872589 is about 3724.5924609278. The cubic root of 13872589 is about 240.2808575437.

It can be divided in two parts, 138 and 72589, that added together give a palindrome (72727).

The spelling of 13872589 in words is "thirteen million, eight hundred seventy-two thousand, five hundred eighty-nine".