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12200497 = 1011131069
BaseRepresentation
bin101110100010…
…101000110001
3211221211221021
4232202220301
511110403442
61113255441
7205462651
oct56425061
924854837
1012200497
116983461
124104581
1326b233a
141898361
15110ee67
hexba2a31

12200497 has 8 divisors (see below), whose sum is σ = 12441960. Its totient is φ = 11961600.

The previous prime is 12200483. The next prime is 12200521. The reversal of 12200497 is 79400221.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 10817521 = 1176^2 + 3289^2 .

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 12200497 - 223 = 3811889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10879 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (1555245).

Almost surely, 212200497 is an apocalyptic number.

It is an amenable number.

12200497 is a deficient number, since it is larger than the sum of its proper divisors (241463).

12200497 is a wasteful number, since it uses less digits than its factorization.

12200497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12200497 is about 3492.9209839331. The cubic root of 12200497 is about 230.2108777990.

The spelling of 12200497 in words is "twelve million, two hundred thousand, four hundred ninety-seven".

Divisors: 1 101 113 1069 11413 107969 120797 12200497