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13420177 is a prime number
BaseRepresentation
bin110011001100…
…011010010001
3221020211000121
4303030122101
511413421202
61155350241
7222032611
oct63143221
927224017
1013420177
117636861
1245b2381
132a1b544
141ad4a41
1512a1537
hexccc691

13420177 has 2 divisors, whose sum is σ = 13420178. Its totient is φ = 13420176.

The previous prime is 13420153. The next prime is 13420181. The reversal of 13420177 is 77102431.

It is a happy number.

13420177 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 104976 = 3649^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 13420177 - 27 = 13420049 is a prime.

It is a super-2 number, since 2×134201772 = 360202301422658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13430177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710088 + 6710089.

It is an arithmetic number, because the mean of its divisors is an integer number (6710089).

Almost surely, 213420177 is an apocalyptic number.

It is an amenable number.

13420177 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420177 is an equidigital number, since it uses as much as digits as its factorization.

13420177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 13420177 is about 3663.3559750589. The cubic root of 13420177 is about 237.6399293598.

The spelling of 13420177 in words is "thirteen million, four hundred twenty thousand, one hundred seventy-seven".