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13752041 is a prime number
BaseRepresentation
bin110100011101…
…011011101001
3221212200020212
4310131123221
512010031131
61210430505
7224614262
oct64353351
927780225
1013752041
117843126
124732435
132b06604
141b7d969
151319a2b
hexd1d6e9

13752041 has 2 divisors, whose sum is σ = 13752042. Its totient is φ = 13752040.

The previous prime is 13752019. The next prime is 13752047. The reversal of 13752041 is 14025731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12752041 + 1000000 = 3571^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 13752041 - 26 = 13751977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13751998 and 13752016.

It is not a weakly prime, because it can be changed into another prime (13752047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6876020 + 6876021.

It is an arithmetic number, because the mean of its divisors is an integer number (6876021).

Almost surely, 213752041 is an apocalyptic number.

It is an amenable number.

13752041 is a deficient number, since it is larger than the sum of its proper divisors (1).

13752041 is an equidigital number, since it uses as much as digits as its factorization.

13752041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13752041 is about 3708.3744417197. The cubic root of 13752041 is about 239.5828459490.

Adding to 13752041 its reverse (14025731), we get a palindrome (27777772).

The spelling of 13752041 in words is "thirteen million, seven hundred fifty-two thousand, forty-one".