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13230333 = 322116967
BaseRepresentation
bin110010011110…
…000011111101
3220220011121100
4302132003331
511341332313
61151323313
7220312254
oct62360375
926804540
1013230333
117517166
124520539
132982ccc
141a8579b
151265173
hexc9e0fd

13230333 has 12 divisors (see below), whose sum is σ = 19203808. Its totient is φ = 8777160.

The previous prime is 13230307. The next prime is 13230341. The reversal of 13230333 is 33303231.

13230333 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13230333 - 212 = 13226237 is a prime.

It is a super-2 number, since 2×132303332 = 350083422581778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585 + ... + 5382.

Almost surely, 213230333 is an apocalyptic number.

It is an amenable number.

13230333 is a deficient number, since it is larger than the sum of its proper divisors (5973475).

13230333 is a wasteful number, since it uses less digits than its factorization.

13230333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184 (or 7181 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 13230333 is about 3637.3524712351. The cubic root of 13230333 is about 236.5140392180.

Adding to 13230333 its reverse (33303231), we get a palindrome (46533564).

The spelling of 13230333 in words is "thirteen million, two hundred thirty thousand, three hundred thirty-three".

Divisors: 1 3 9 211 633 1899 6967 20901 62703 1470037 4410111 13230333