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12465973 = 13958921
BaseRepresentation
bin101111100011…
…011100110101
3212110100002201
4233203130311
511142402343
61123104501
7210646642
oct57433465
925410081
1012465973
117044963
124212131
132776120
141926dc9
15116394d
hexbe3735

12465973 has 4 divisors (see below), whose sum is σ = 13424908. Its totient is φ = 11507040.

The previous prime is 12465907. The next prime is 12465983. The reversal of 12465973 is 37956421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1456849 + 11009124 = 1207^2 + 3318^2 .

It is a cyclic number.

It is not a de Polignac number, because 12465973 - 221 = 10368821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465983) 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, 479448 + ... + 479473.

It is an arithmetic number, because the mean of its divisors is an integer number (3356227).

Almost surely, 212465973 is an apocalyptic number.

12465973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12465973 is a deficient number, since it is larger than the sum of its proper divisors (958935).

12465973 is an equidigital number, since it uses as much as digits as its factorization.

12465973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958934.

The product of its digits is 45360, while the sum is 37.

The square root of 12465973 is about 3530.7184821223. The cubic root of 12465973 is about 231.8686645174.

The spelling of 12465973 in words is "twelve million, four hundred sixty-five thousand, nine hundred seventy-three".

Divisors: 1 13 958921 12465973