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13230207 = 321470023
BaseRepresentation
bin110010011110…
…000001111111
3220220011102200
4302132001333
511341331312
61151322543
7220312014
oct62360177
926804380
1013230207
117517061
124520453
132982c33
141a8570b
1512650dc
hexc9e07f

13230207 has 6 divisors (see below), whose sum is σ = 19110312. Its totient is φ = 8820132.

The previous prime is 13230179. The next prime is 13230223. The reversal of 13230207 is 70203231.

It is not a de Polignac number, because 13230207 - 27 = 13230079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13230207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 735003 + ... + 735020.

It is an arithmetic number, because the mean of its divisors is an integer number (3185052).

Almost surely, 213230207 is an apocalyptic number.

13230207 is a deficient number, since it is larger than the sum of its proper divisors (5880105).

13230207 is a wasteful number, since it uses less digits than its factorization.

13230207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470029 (or 1470026 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 13230207 is about 3637.3351509037. The cubic root of 13230207 is about 236.5132883963.

Adding to 13230207 its reverse (70203231), we get a palindrome (83433438).

The spelling of 13230207 in words is "thirteen million, two hundred thirty thousand, two hundred seven".

Divisors: 1 3 9 1470023 4410069 13230207