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12023971 is a prime number
BaseRepresentation
bin101101110111…
…100010100011
3211121212210021
4231313202203
511034231341
61105414311
7204126211
oct55674243
924555707
1012023971
116872873
12403a397
13264cb9b
14184dcb1
1510c79d1
hexb778a3

12023971 has 2 divisors, whose sum is σ = 12023972. Its totient is φ = 12023970.

The previous prime is 12023953. The next prime is 12024007. The reversal of 12023971 is 17932021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12023971 - 211 = 12021923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12023171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011985 + 6011986.

It is an arithmetic number, because the mean of its divisors is an integer number (6011986).

Almost surely, 212023971 is an apocalyptic number.

12023971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023971 is an equidigital number, since it uses as much as digits as its factorization.

12023971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12023971 is about 3467.5598048195. The cubic root of 12023971 is about 229.0951912560.

Adding to 12023971 its reverse (17932021), we get a palindrome (29955992).

The spelling of 12023971 in words is "twelve million, twenty-three thousand, nine hundred seventy-one".