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13412141 = 121311057
BaseRepresentation
bin110011001010…
…011100101101
3221020101222222
4303022130231
511413142031
61155245125
7222000311
oct63123455
927211888
1013412141
117630816
1245a97a5
132a179a2
141ad1b41
15129de7b
hexcca72d

13412141 has 4 divisors (see below), whose sum is σ = 13424412. Its totient is φ = 13399872.

The previous prime is 13412137. The next prime is 13412143. The reversal of 13412141 is 14121431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14121431 = 23360607.

It can be written as a sum of positive squares in 2 ways, for example, as 1371241 + 12040900 = 1171^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 13412141 - 22 = 13412137 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 (13412143) 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, 4316 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (3356103).

Almost surely, 213412141 is an apocalyptic number.

It is an amenable number.

13412141 is a deficient number, since it is larger than the sum of its proper divisors (12271).

13412141 is a wasteful number, since it uses less digits than its factorization.

13412141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12270.

The product of its digits is 96, while the sum is 17.

The square root of 13412141 is about 3662.2590023099. The cubic root of 13412141 is about 237.5924869708.

Adding to 13412141 its reverse (14121431), we get a palindrome (27533572).

The spelling of 13412141 in words is "thirteen million, four hundred twelve thousand, one hundred forty-one".

Divisors: 1 1213 11057 13412141