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12425997 = 317243647
BaseRepresentation
bin101111011001…
…101100001101
3212101022021010
4233121230031
511140112442
61122155433
7210422253
oct57315415
925338233
1012425997
117017921
1241b2b79
132760b7c
1419165d3
151156b9c
hexbd9b0d

12425997 has 8 divisors (see below), whose sum is σ = 17542656. Its totient is φ = 7796672.

The previous prime is 12425977. The next prime is 12425999. The reversal of 12425997 is 79952421.

12425997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12425997 - 28 = 12425741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425999) 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, 121773 + ... + 121874.

It is an arithmetic number, because the mean of its divisors is an integer number (2192832).

Almost surely, 212425997 is an apocalyptic number.

12425997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12425997 is a deficient number, since it is larger than the sum of its proper divisors (5116659).

12425997 is a wasteful number, since it uses less digits than its factorization.

12425997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243667.

The product of its digits is 45360, while the sum is 39.

The square root of 12425997 is about 3525.0527655625. The cubic root of 12425997 is about 231.6205462307.

The spelling of 12425997 in words is "twelve million, four hundred twenty-five thousand, nine hundred ninety-seven".

Divisors: 1 3 17 51 243647 730941 4141999 12425997