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12124693 = 72118209
BaseRepresentation
bin101110010000…
…001000010101
3211210222221201
4232100020111
511100442233
61111512501
7205025650
oct56201025
924728851
1012124693
116931509
124088731
132686999
141878897
1510e777d
hexb90215

12124693 has 8 divisors (see below), whose sum is σ = 13924160. Its totient is φ = 10342080.

The previous prime is 12124687. The next prime is 12124699. The reversal of 12124693 is 39642121.

It is an interprime number because it is at equal distance from previous prime (12124687) and next prime (12124699).

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

It is not a de Polignac number, because 12124693 - 25 = 12124661 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124699) 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, 2628 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (1740520).

Almost surely, 212124693 is an apocalyptic number.

It is an amenable number.

12124693 is a deficient number, since it is larger than the sum of its proper divisors (1799467).

12124693 is an equidigital number, since it uses as much as digits as its factorization.

12124693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8427.

The product of its digits is 2592, while the sum is 28.

The square root of 12124693 is about 3482.0529863860. The cubic root of 12124693 is about 229.7331056618.

The spelling of 12124693 in words is "twelve million, one hundred twenty-four thousand, six hundred ninety-three".

Divisors: 1 7 211 1477 8209 57463 1732099 12124693