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13230955 = 53185361
BaseRepresentation
bin110010011110…
…001101101011
3220220012110101
4302132031223
511341342310
61151330231
7220314133
oct62361553
926805411
1013230955
117517681
124520977
13298338a
141a85ac3
15126543a
hexc9e36b

13230955 has 8 divisors (see below), whose sum is σ = 16389504. Its totient is φ = 10243200.

The previous prime is 13230953. The next prime is 13230967. The reversal of 13230955 is 55903231.

13230955 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 13230955 - 21 = 13230953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13230953) 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, 42526 + ... + 42835.

It is an arithmetic number, because the mean of its divisors is an integer number (2048688).

Almost surely, 213230955 is an apocalyptic number.

13230955 is a deficient number, since it is larger than the sum of its proper divisors (3158549).

13230955 is an equidigital number, since it uses as much as digits as its factorization.

13230955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85397.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 13230955 is about 3637.4379719797. The cubic root of 13230955 is about 236.5177455855.

The spelling of 13230955 in words is "thirteen million, two hundred thirty thousand, nine hundred fifty-five".

Divisors: 1 5 31 155 85361 426805 2646191 13230955