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13142369 is a prime number
BaseRepresentation
bin110010001000…
…100101100001
3220201200221102
4302020211201
511331023434
61145404145
7216464642
oct62104541
926650842
1013142369
117467069
124499655
132951c66
141a616c9
15124907e
hexc88961

13142369 has 2 divisors, whose sum is σ = 13142370. Its totient is φ = 13142368.

The previous prime is 13142351. The next prime is 13142401. The reversal of 13142369 is 96324131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 1500625 = 3412^2 + 1225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13142369 is a prime.

It is a super-2 number, since 2×131423692 = 345443725864322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13142069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571184 + 6571185.

It is an arithmetic number, because the mean of its divisors is an integer number (6571185).

Almost surely, 213142369 is an apocalyptic number.

It is an amenable number.

13142369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13142369 is an equidigital number, since it uses as much as digits as its factorization.

13142369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 13142369 is about 3625.2405437433. The cubic root of 13142369 is about 235.9887060094.

The spelling of 13142369 in words is "thirteen million, one hundred forty-two thousand, three hundred sixty-nine".