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13791241 is a prime number
BaseRepresentation
bin110100100111…
…000000001001
3221221200000201
4310213000021
512012304431
61211332201
7225136462
oct64470011
927850021
1013791241
11786a622
124751061
132b1b3c9
141b8dd69
151326461
hexd27009

13791241 has 2 divisors, whose sum is σ = 13791242. Its totient is φ = 13791240.

The previous prime is 13791229. The next prime is 13791251. The reversal of 13791241 is 14219731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13395600 + 395641 = 3660^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 13791241 - 25 = 13791209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13791221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6895620 + 6895621.

It is an arithmetic number, because the mean of its divisors is an integer number (6895621).

Almost surely, 213791241 is an apocalyptic number.

It is an amenable number.

13791241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13791241 is an equidigital number, since it uses as much as digits as its factorization.

13791241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 13791241 is about 3713.6560153035. The cubic root of 13791241 is about 239.8102725077.

It can be divided in two parts, 137 and 91241, that added together give a triangular number (91378 = T427).

The spelling of 13791241 in words is "thirteen million, seven hundred ninety-one thousand, two hundred forty-one".