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13242207 = 311401279
BaseRepresentation
bin110010100000…
…111101011111
3220220202220010
4302200331133
511342222312
61151454303
7220362006
oct62407537
926822803
1013242207
117525080
124527393
132988534
141a89c3d
15126893c
hexca0f5f

13242207 has 8 divisors (see below), whose sum is σ = 19261440. Its totient is φ = 8025560.

The previous prime is 13242199. The next prime is 13242253. The reversal of 13242207 is 70224231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13242207 - 23 = 13242199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200607 + ... + 200672.

It is an arithmetic number, because the mean of its divisors is an integer number (2407680).

Almost surely, 213242207 is an apocalyptic number.

13242207 is a deficient number, since it is larger than the sum of its proper divisors (6019233).

13242207 is a wasteful number, since it uses less digits than its factorization.

13242207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401293.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 13242207 is about 3638.9843363224. The cubic root of 13242207 is about 236.5847738439.

Adding to 13242207 its reverse (70224231), we get a palindrome (83466438).

The spelling of 13242207 in words is "thirteen million, two hundred forty-two thousand, two hundred seven".

Divisors: 1 3 11 33 401279 1203837 4414069 13242207