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12927392 = 25403981
BaseRepresentation
bin110001010100…
…000110100000
3220022210001022
4301110012200
511302134032
61141025012
7214611122
oct61240640
926283038
1012927392
11732a5a5
1243b5168
1328a815a
141a07212
151205512
hexc541a0

12927392 has 12 divisors (see below), whose sum is σ = 25450866. Its totient is φ = 6463680.

The previous prime is 12927377. The next prime is 12927401. The reversal of 12927392 is 29372921.

It can be written as a sum of positive squares in only one way, i.e., 7376656 + 5550736 = 2716^2 + 2356^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201959 + ... + 202022.

Almost surely, 212927392 is an apocalyptic number.

It is an amenable number.

12927392 is a deficient number, since it is larger than the sum of its proper divisors (12523474).

12927392 is an equidigital number, since it uses as much as digits as its factorization.

12927392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403991 (or 403983 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 12927392 is about 3595.4682587947. The cubic root of 12927392 is about 234.6948930120.

The spelling of 12927392 in words is "twelve million, nine hundred twenty-seven thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 403981 807962 1615924 3231848 6463696 12927392