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12473929 = 13959533
BaseRepresentation
bin101111100101…
…011001001001
3212110202000101
4233211121021
511143131204
61123205401
7211012066
oct57453111
925422011
1012473929
11704a936
124216861
132779930
141929c6d
151165ea4
hexbe5649

12473929 has 4 divisors (see below), whose sum is σ = 13433476. Its totient is φ = 11514384.

The previous prime is 12473911. The next prime is 12473933. The reversal of 12473929 is 92937421.

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 585225 + 11888704 = 765^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 12473929 - 211 = 12471881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12473939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479754 + ... + 479779.

It is an arithmetic number, because the mean of its divisors is an integer number (3358369).

Almost surely, 212473929 is an apocalyptic number.

It is an amenable number.

12473929 is a deficient number, since it is larger than the sum of its proper divisors (959547).

12473929 is an equidigital number, since it uses as much as digits as its factorization.

12473929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959546.

The product of its digits is 27216, while the sum is 37.

The square root of 12473929 is about 3531.8449852733. The cubic root of 12473929 is about 231.9179815605.

The spelling of 12473929 in words is "twelve million, four hundred seventy-three thousand, nine hundred twenty-nine".

Divisors: 1 13 959533 12473929