Search a number
-
+
12097505 = 57345643
BaseRepresentation
bin101110001001…
…011111100001
3211202121122202
4232021133201
511044110010
61111142545
7204553460
oct56113741
924677582
1012097505
116913042
124074a55
1326774b4
14186c9d7
1510de6a5
hexb897e1

12097505 has 8 divisors (see below), whose sum is σ = 16590912. Its totient is φ = 8295408.

The previous prime is 12097493. The next prime is 12097531. The reversal of 12097505 is 50579021.

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 12097505 - 210 = 12096481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172787 + ... + 172856.

It is an arithmetic number, because the mean of its divisors is an integer number (2073864).

Almost surely, 212097505 is an apocalyptic number.

It is an amenable number.

12097505 is a deficient number, since it is larger than the sum of its proper divisors (4493407).

12097505 is an equidigital number, since it uses as much as digits as its factorization.

12097505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345655.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 12097505 is about 3478.1467766614. The cubic root of 12097505 is about 229.5612619130.

The spelling of 12097505 in words is "twelve million, ninety-seven thousand, five hundred five".

Divisors: 1 5 7 35 345643 1728215 2419501 12097505