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13199477 is a prime number
BaseRepresentation
bin110010010110…
…100001110101
3220211121021112
4302112201311
511334340402
61150524405
7220123304
oct62264165
926747245
1013199477
1174a5a65
124506705
132971c55
141a7843b
15125ae52
hexc96875

13199477 has 2 divisors, whose sum is σ = 13199478. Its totient is φ = 13199476.

The previous prime is 13199467. The next prime is 13199489. The reversal of 13199477 is 77499131.

13199477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12327121 + 872356 = 3511^2 + 934^2 .

It is an emirp because it is prime and its reverse (77499131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13199477 - 210 = 13198453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13199467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6599738 + 6599739.

It is an arithmetic number, because the mean of its divisors is an integer number (6599739).

Almost surely, 213199477 is an apocalyptic number.

It is an amenable number.

13199477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13199477 is an equidigital number, since it uses as much as digits as its factorization.

13199477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 13199477 is about 3633.1084486979. The cubic root of 13199477 is about 236.3300287837.

The spelling of 13199477 in words is "thirteen million, one hundred ninety-nine thousand, four hundred seventy-seven".