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13142041 = 111194731
BaseRepresentation
bin110010001000…
…100000011001
3220201200111021
4302020200121
511331021131
61145402441
7216463663
oct62104031
926650437
1013142041
1174668a0
124499421
132951a73
141a61533
151248e11
hexc88819

13142041 has 4 divisors (see below), whose sum is σ = 14336784. Its totient is φ = 11947300.

The previous prime is 13142027. The next prime is 13142057. The reversal of 13142041 is 14024131.

13142041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14024131 = 111274921.

It is a cyclic number.

It is not a de Polignac number, because 13142041 - 25 = 13142009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13142011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597355 + ... + 597376.

It is an arithmetic number, because the mean of its divisors is an integer number (3584196).

Almost surely, 213142041 is an apocalyptic number.

13142041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13142041 is a deficient number, since it is larger than the sum of its proper divisors (1194743).

13142041 is a wasteful number, since it uses less digits than its factorization.

13142041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194742.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13142041 is about 3625.1953050836. The cubic root of 13142041 is about 235.9867427677.

Adding to 13142041 its reverse (14024131), we get a palindrome (27166172).

The spelling of 13142041 in words is "thirteen million, one hundred forty-two thousand, forty-one".

Divisors: 1 11 1194731 13142041