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13460141 = 17791773
BaseRepresentation
bin110011010110…
…001010101101
3221022211211202
4303112022231
511421211031
61200255245
7222260252
oct63261255
927284752
1013460141
117663892
124611525
132a337a6
141b05429
1512ad2cb
hexcd62ad

13460141 has 4 divisors (see below), whose sum is σ = 14251932. Its totient is φ = 12668352.

The previous prime is 13460131. The next prime is 13460149. The reversal of 13460141 is 14106431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14106431 = 83169957.

It can be written as a sum of positive squares in 2 ways, for example, as 9278116 + 4182025 = 3046^2 + 2045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13460141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13460149) 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, 395870 + ... + 395903.

It is an arithmetic number, because the mean of its divisors is an integer number (3562983).

Almost surely, 213460141 is an apocalyptic number.

It is an amenable number.

13460141 is a deficient number, since it is larger than the sum of its proper divisors (791791).

13460141 is an equidigital number, since it uses as much as digits as its factorization.

13460141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791790.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13460141 is about 3668.8064816777. The cubic root of 13460141 is about 237.8755852335.

Adding to 13460141 its reverse (14106431), we get a palindrome (27566572).

The spelling of 13460141 in words is "thirteen million, four hundred sixty thousand, one hundred forty-one".

Divisors: 1 17 791773 13460141