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13424207 = 17837529
BaseRepresentation
bin110011001101…
…011001001111
3221021000112212
4303031121033
511414033312
61155421035
7222050426
oct63153117
927230485
1013424207
117639895
1245b477b
132a20324
141ad62bd
1512a2822
hexccd64f

13424207 has 4 divisors (see below), whose sum is σ = 13433520. Its totient is φ = 13414896.

The previous prime is 13424161. The next prime is 13424221. The reversal of 13424207 is 70242431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13424207 - 26 = 13424143 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 (13424297) 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, 1982 + ... + 5547.

It is an arithmetic number, because the mean of its divisors is an integer number (3358380).

Almost surely, 213424207 is an apocalyptic number.

13424207 is a deficient number, since it is larger than the sum of its proper divisors (9313).

13424207 is an equidigital number, since it uses as much as digits as its factorization.

13424207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 13424207 is about 3663.9059758678. The cubic root of 13424207 is about 237.6637142688.

Adding to 13424207 its reverse (70242431), we get a palindrome (83666638).

It can be divided in two parts, 13424 and 207, that added together give a palindrome (13631).

The spelling of 13424207 in words is "thirteen million, four hundred twenty-four thousand, two hundred seven".

Divisors: 1 1783 7529 13424207