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13413207 = 34471069
BaseRepresentation
bin110011001010…
…101101010111
3221020110110110
4303022231113
511413210312
61155254103
7222003363
oct63125527
927213413
1013413207
1176315a5
1245aa333
132a18312
141ad22a3
15129e43c
hexccab57

13413207 has 4 divisors (see below), whose sum is σ = 17884280. Its totient is φ = 8942136.

The previous prime is 13413193. The next prime is 13413223. The reversal of 13413207 is 70231431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13413207 - 26 = 13413143 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 (13413287) 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, 2235532 + ... + 2235537.

It is an arithmetic number, because the mean of its divisors is an integer number (4471070).

Almost surely, 213413207 is an apocalyptic number.

13413207 is a deficient number, since it is larger than the sum of its proper divisors (4471073).

13413207 is an equidigital number, since it uses as much as digits as its factorization.

13413207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471072.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13413207 is about 3662.4045380051. The cubic root of 13413207 is about 237.5987814390.

Adding to 13413207 its reverse (70231431), we get a palindrome (83644638).

The spelling of 13413207 in words is "thirteen million, four hundred thirteen thousand, two hundred seven".

Divisors: 1 3 4471069 13413207