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13972741 is a prime number
BaseRepresentation
bin110101010011…
…010100000101
3222021212222221
4311103110011
512034111431
61215252341
7226523566
oct65232405
928255887
1013972741
117983a22
12481a0b1
132b82bc3
141bda16d
151360111
hexd53505

13972741 has 2 divisors, whose sum is σ = 13972742. Its totient is φ = 13972740.

The previous prime is 13972703. The next prime is 13972747. The reversal of 13972741 is 14727931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9333025 + 4639716 = 3055^2 + 2154^2 .

It is an emirp because it is prime and its reverse (14727931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13972741 - 215 = 13939973 is a prime.

It is equal to p908449 and since 13972741 and 908449 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13972697 and 13972706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13972747) 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, 6986370 + 6986371.

It is an arithmetic number, because the mean of its divisors is an integer number (6986371).

Almost surely, 213972741 is an apocalyptic number.

It is an amenable number.

13972741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13972741 is an equidigital number, since it uses as much as digits as its factorization.

13972741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 13972741 is about 3738.0129748303. The cubic root of 13972741 is about 240.8577008133.

The spelling of 13972741 in words is "thirteen million, nine hundred seventy-two thousand, seven hundred forty-one".