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12932481 = 34310827
BaseRepresentation
bin110001010101…
…010110000001
3220100001000210
4301111112001
511302314411
61141104333
7214632012
oct61252601
926301023
1012932481
117333401
1243b80a9
1328aa573
141a09009
151206ca6
hexc55581

12932481 has 4 divisors (see below), whose sum is σ = 17243312. Its totient is φ = 8621652.

The previous prime is 12932471. The next prime is 12932527. The reversal of 12932481 is 18423921.

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.

It is not a de Polignac number, because 12932481 - 215 = 12899713 is a prime.

It is a super-2 number, since 2×129324812 = 334498129630722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12932431) 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, 2155411 + ... + 2155416.

It is an arithmetic number, because the mean of its divisors is an integer number (4310828).

Almost surely, 212932481 is an apocalyptic number.

It is an amenable number.

12932481 is a deficient number, since it is larger than the sum of its proper divisors (4310831).

12932481 is an equidigital number, since it uses as much as digits as its factorization.

12932481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310830.

The product of its digits is 3456, while the sum is 30.

The square root of 12932481 is about 3596.1758855762. The cubic root of 12932481 is about 234.7256856529.

The spelling of 12932481 in words is "twelve million, nine hundred thirty-two thousand, four hundred eighty-one".

Divisors: 1 3 4310827 12932481