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13986029 is a prime number
BaseRepresentation
bin110101010110…
…100011101101
3222022120020002
4311112203231
512040023104
61215434045
7226610411
oct65264355
928276202
1013986029
117992a02
124825925
132b88c75
141c00d41
15136401e
hexd568ed

13986029 has 2 divisors, whose sum is σ = 13986030. Its totient is φ = 13986028.

The previous prime is 13986023. The next prime is 13986067. The reversal of 13986029 is 92068931.

It is an a-pointer prime, because the next prime (13986067) can be obtained adding 13986029 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9672100 + 4313929 = 3110^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 13986029 - 24 = 13986013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13985983 and 13986001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13986023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993014 + 6993015.

It is an arithmetic number, because the mean of its divisors is an integer number (6993015).

Almost surely, 213986029 is an apocalyptic number.

It is an amenable number.

13986029 is a deficient number, since it is larger than the sum of its proper divisors (1).

13986029 is an equidigital number, since it uses as much as digits as its factorization.

13986029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 13986029 is about 3739.7899673645. The cubic root of 13986029 is about 240.9340280733.

It can be divided in two parts, 139 and 86029, that added together give a palindrome (86168).

The spelling of 13986029 in words is "thirteen million, nine hundred eighty-six thousand, twenty-nine".