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13302213 = 329152899
BaseRepresentation
bin110010101111…
…100111000101
3221000211012120
4302233213011
511401132323
61153040153
7221031651
oct62574705
927024176
1013302213
117566171
124556059
1329a9942
141aa3a61
15127b5e3
hexcaf9c5

13302213 has 8 divisors (see below), whose sum is σ = 18348000. Its totient is φ = 8562288.

The previous prime is 13302197. The next prime is 13302217. The reversal of 13302213 is 31220331.

13302213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13302213 - 24 = 13302197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13302192 and 13302201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302217) 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, 76363 + ... + 76536.

It is an arithmetic number, because the mean of its divisors is an integer number (2293500).

Almost surely, 213302213 is an apocalyptic number.

It is an amenable number.

13302213 is a deficient number, since it is larger than the sum of its proper divisors (5045787).

13302213 is a wasteful number, since it uses less digits than its factorization.

13302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152931.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13302213 is about 3647.2199001431. The cubic root of 13302213 is about 236.9415904057.

Adding to 13302213 its reverse (31220331), we get a palindrome (44522544).

The spelling of 13302213 in words is "thirteen million, three hundred two thousand, two hundred thirteen".

Divisors: 1 3 29 87 152899 458697 4434071 13302213