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12081295 = 52416259
BaseRepresentation
bin101110000101…
…100010001111
3211201210102101
4232011202033
511043100140
61110535531
7204455302
oct56054217
924653371
1012081295
116901946
1240675a7
13266ccc5
141866b39
1510d999a
hexb8588f

12081295 has 4 divisors (see below), whose sum is σ = 14497560. Its totient is φ = 9665032.

The previous prime is 12081287. The next prime is 12081299. The reversal of 12081295 is 59218021.

12081295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59218021 = 173483413.

It is a cyclic number.

It is not a de Polignac number, because 12081295 - 23 = 12081287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208125 + ... + 1208134.

It is an arithmetic number, because the mean of its divisors is an integer number (3624390).

Almost surely, 212081295 is an apocalyptic number.

12081295 is a deficient number, since it is larger than the sum of its proper divisors (2416265).

12081295 is an equidigital number, since it uses as much as digits as its factorization.

12081295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416264.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12081295 is about 3475.8157315945. The cubic root of 12081295 is about 229.4586828727.

The spelling of 12081295 in words is "twelve million, eighty-one thousand, two hundred ninety-five".

Divisors: 1 5 2416259 12081295