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12082901 = 31478293
BaseRepresentation
bin101110000101…
…111011010101
3211201212121212
4232011323111
511043123101
61110551205
7204463055
oct56057325
924655555
1012082901
116903076
124068505
13267095c
141867565
1510da1bb
hexb85ed5

12082901 has 8 divisors (see below), whose sum is σ = 12739584. Its totient is φ = 11442960.

The previous prime is 12082897. The next prime is 12082919. The reversal of 12082901 is 10928021.

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

It is a cyclic number.

It is not a de Polignac number, because 12082901 - 22 = 12082897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12082921) 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, 2690 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (1592448).

Almost surely, 212082901 is an apocalyptic number.

It is an amenable number.

12082901 is a deficient number, since it is larger than the sum of its proper divisors (656683).

12082901 is an equidigital number, since it uses as much as digits as its factorization.

12082901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 12082901 is about 3476.0467488226. The cubic root of 12082901 is about 229.4688499483.

The spelling of 12082901 in words is "twelve million, eighty-two thousand, nine hundred one".

Divisors: 1 31 47 1457 8293 257083 389771 12082901