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12000497 = 46325919
BaseRepresentation
bin101101110001…
…110011110001
3211120200120212
4231301303301
511033003442
61105113505
7204000605
oct55616361
924520525
1012000497
116857173
124028895
1326422b2
141845505
1510c0a82
hexb71cf1

12000497 has 4 divisors (see below), whose sum is σ = 12026880. Its totient is φ = 11974116.

The previous prime is 12000473. The next prime is 12000509. The reversal of 12000497 is 79400021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79400021 = 312561291.

It is a cyclic number.

It is not a de Polignac number, because 12000497 - 26 = 12000433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000407) 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, 12497 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (3006720).

Almost surely, 212000497 is an apocalyptic number.

It is an amenable number.

12000497 is a deficient number, since it is larger than the sum of its proper divisors (26383).

12000497 is an equidigital number, since it uses as much as digits as its factorization.

12000497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26382.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12000497 is about 3464.1733501660. The cubic root of 12000497 is about 228.9460091502.

The spelling of 12000497 in words is "twelve million, four hundred ninety-seven", and thus it is an aban number.

Divisors: 1 463 25919 12000497