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13361155 = 53186201
BaseRepresentation
bin110010111110…
…000000000011
3221010211001121
4302332000003
511410024110
61154213111
7221365543
oct62760003
927124047
1013361155
1175a6485
124584197
1329ca712
141abb323
15128dcda
hexcbe003

13361155 has 8 divisors (see below), whose sum is σ = 16550784. Its totient is φ = 10344000.

The previous prime is 13361147. The next prime is 13361209. The reversal of 13361155 is 55116331.

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

It is not a de Polignac number, because 13361155 - 23 = 13361147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42946 + ... + 43255.

It is an arithmetic number, because the mean of its divisors is an integer number (2068848).

Almost surely, 213361155 is an apocalyptic number.

13361155 is a deficient number, since it is larger than the sum of its proper divisors (3189629).

13361155 is an equidigital number, since it uses as much as digits as its factorization.

13361155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86237.

The product of its digits is 1350, while the sum is 25.

The square root of 13361155 is about 3655.2913700552. The cubic root of 13361155 is about 237.2910368821.

Adding to 13361155 its reverse (55116331), we get a palindrome (68477486).

The spelling of 13361155 in words is "thirteen million, three hundred sixty-one thousand, one hundred fifty-five".

Divisors: 1 5 31 155 86201 431005 2672231 13361155