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12023427 = 313308293
BaseRepresentation
bin101101110111…
…011010000011
3211121212001010
4231313122003
511034222202
61105412003
7204124503
oct55673203
924555033
1012023427
116872419
12403a003
13264c870
14184da03
1510c776c
hexb77683

12023427 has 8 divisors (see below), whose sum is σ = 17264464. Its totient is φ = 7399008.

The previous prime is 12023419. The next prime is 12023461. The reversal of 12023427 is 72432021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12023427 - 23 = 12023419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154108 + ... + 154185.

It is an arithmetic number, because the mean of its divisors is an integer number (2158058).

Almost surely, 212023427 is an apocalyptic number.

12023427 is a deficient number, since it is larger than the sum of its proper divisors (5241037).

12023427 is a wasteful number, since it uses less digits than its factorization.

12023427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308309.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12023427 is about 3467.4813626031. The cubic root of 12023427 is about 229.0917362226.

Adding to 12023427 its reverse (72432021), we get a palindrome (84455448).

The spelling of 12023427 in words is "twelve million, twenty-three thousand, four hundred twenty-seven".

Divisors: 1 3 13 39 308293 924879 4007809 12023427