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14293813 is a prime number
BaseRepresentation
bin110110100001…
…101100110101
3222220012102111
4312201230311
512124400223
61230211021
7232331632
oct66415465
928805374
1014293813
118083176
124953a71
132c660a1
141c81189
1513c530d
hexda1b35

14293813 has 2 divisors, whose sum is σ = 14293814. Its totient is φ = 14293812.

The previous prime is 14293793. The next prime is 14293817. The reversal of 14293813 is 31839241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 2617924 = 3417^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 14293813 - 221 = 12196661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14293817) 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 as a sum of consecutive naturals, namely, 7146906 + 7146907.

It is an arithmetic number, because the mean of its divisors is an integer number (7146907).

Almost surely, 214293813 is an apocalyptic number.

It is an amenable number.

14293813 is a deficient number, since it is larger than the sum of its proper divisors (1).

14293813 is an equidigital number, since it uses as much as digits as its factorization.

14293813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 14293813 is about 3780.7159374912. The cubic root of 14293813 is about 242.6885938588.

The spelling of 14293813 in words is "fourteen million, two hundred ninety-three thousand, eight hundred thirteen".