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12414439 = 47264137
BaseRepresentation
bin101111010110…
…110111100111
3212100201102001
4233112313213
511134230224
61122030131
7210343462
oct57266747
925321361
1012414439
11700a174
1241a8347
13275882b
1419122d9
151153544
hexbd6de7

12414439 has 4 divisors (see below), whose sum is σ = 12678624. Its totient is φ = 12150256.

The previous prime is 12414433. The next prime is 12414443. The reversal of 12414439 is 93441421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93441421 = 401233021.

It is a cyclic number.

It is not a de Polignac number, because 12414439 - 211 = 12412391 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 (12414433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132022 + ... + 132115.

It is an arithmetic number, because the mean of its divisors is an integer number (3169656).

Almost surely, 212414439 is an apocalyptic number.

12414439 is a deficient number, since it is larger than the sum of its proper divisors (264185).

12414439 is an equidigital number, since it uses as much as digits as its factorization.

12414439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264184.

The product of its digits is 3456, while the sum is 28.

The square root of 12414439 is about 3523.4129760787. The cubic root of 12414439 is about 231.5487102585.

The spelling of 12414439 in words is "twelve million, four hundred fourteen thousand, four hundred thirty-nine".

Divisors: 1 47 264137 12414439