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13973413 is a prime number
BaseRepresentation
bin110101010011…
…011110100101
3222021220220211
4311103132211
512034122123
61215255421
7226525546
oct65233645
928256824
1013973413
117984483
12481a571
132b832bc
141bda4cd
15136040d
hexd537a5

13973413 has 2 divisors, whose sum is σ = 13973414. Its totient is φ = 13973412.

The previous prime is 13973363. The next prime is 13973423. The reversal of 13973413 is 31437931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12723489 + 1249924 = 3567^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 13973413 - 29 = 13972901 is a prime.

It is equal to p908491 and since 13973413 and 908491 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13973423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6986706 + 6986707.

It is an arithmetic number, because the mean of its divisors is an integer number (6986707).

Almost surely, 213973413 is an apocalyptic number.

It is an amenable number.

13973413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13973413 is an equidigital number, since it uses as much as digits as its factorization.

13973413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The square root of 13973413 is about 3738.1028610781. The cubic root of 13973413 is about 240.8615619927.

The spelling of 13973413 in words is "thirteen million, nine hundred seventy-three thousand, four hundred thirteen".