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12071433 = 3114347181
BaseRepresentation
bin101110000011…
…001000001001
3211201021220010
4232003020021
511042241213
61110422133
7204414453
oct56031011
924637803
1012071433
1168a54a0
124061949
13266867a
1418632d3
1510d6ac3
hexb83209

12071433 has 32 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 6955200.

The previous prime is 12071429. The next prime is 12071443. The reversal of 12071433 is 33417021.

12071433 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12071433 - 22 = 12071429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12071443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66603 + ... + 66783.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 212071433 is an apocalyptic number.

It is an amenable number.

12071433 is a deficient number, since it is larger than the sum of its proper divisors (6378999).

12071433 is a wasteful number, since it uses less digits than its factorization.

12071433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12071433 is about 3474.3967821767. The cubic root of 12071433 is about 229.3962299223.

Adding to 12071433 its reverse (33417021), we get a palindrome (45488454).

The spelling of 12071433 in words is "twelve million, seventy-one thousand, four hundred thirty-three".

Divisors: 1 3 11 33 43 47 129 141 181 473 517 543 1419 1551 1991 2021 5973 6063 7783 8507 22231 23349 25521 66693 85613 93577 256839 280731 365801 1097403 4023811 12071433