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13380401 is a prime number
BaseRepresentation
bin110011000010…
…101100110001
3221011210110102
4303002230301
511411133101
61154442145
7221505626
oct63025461
927153412
1013380401
117609991
124593355
132a063c8
141ac434d
15129486b
hexcc2b31

13380401 has 2 divisors, whose sum is σ = 13380402. Its totient is φ = 13380400.

The previous prime is 13380371. The next prime is 13380403. The reversal of 13380401 is 10408331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 564001 = 3580^2 + 751^2 .

It is an emirp because it is prime and its reverse (10408331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13380401 - 26 = 13380337 is a prime.

Together with 13380403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13380403) 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, 6690200 + 6690201.

It is an arithmetic number, because the mean of its divisors is an integer number (6690201).

Almost surely, 213380401 is an apocalyptic number.

It is an amenable number.

13380401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13380401 is an equidigital number, since it uses as much as digits as its factorization.

13380401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13380401 is about 3657.9230445705. The cubic root of 13380401 is about 237.4049170634.

Adding to 13380401 its reverse (10408331), we get a palindrome (23788732).

The spelling of 13380401 in words is "thirteen million, three hundred eighty thousand, four hundred one".