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13917041 = 127109583
BaseRepresentation
bin110101000101…
…101101110001
3222012001120222
4311011231301
512030321131
61214142425
7226202315
oct65055561
928161528
1013917041
117946096
1247b1a15
132b63748
141bc3b45
15134d87b
hexd45b71

13917041 has 4 divisors (see below), whose sum is σ = 14026752. Its totient is φ = 13807332.

The previous prime is 13917023. The next prime is 13917049. The reversal of 13917041 is 14071931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13917041 - 210 = 13916017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13917041.

It is not an unprimeable number, because it can be changed into a prime (13917049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54665 + ... + 54918.

It is an arithmetic number, because the mean of its divisors is an integer number (3506688).

Almost surely, 213917041 is an apocalyptic number.

It is an amenable number.

13917041 is a deficient number, since it is larger than the sum of its proper divisors (109711).

13917041 is a wasteful number, since it uses less digits than its factorization.

13917041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109710.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 13917041 is about 3730.5550525357. Note that the first 3 decimals coincide. The cubic root of 13917041 is about 240.5372282565.

Adding to 13917041 its reverse (14071931), we get a palindrome (27988972).

The spelling of 13917041 in words is "thirteen million, nine hundred seventeen thousand, forty-one".

Divisors: 1 127 109583 13917041