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12133330 = 2511731511
BaseRepresentation
bin101110010010…
…001111010010
3211211102210121
4232102033102
511101231310
61112020454
7205063066
oct56221722
924742717
1012133330
116937a50
12409172a
13268a8b1
14187baa6
1510ea0da
hexb923d2

12133330 has 32 divisors (see below), whose sum is σ = 24167808. Its totient is φ = 4348800.

The previous prime is 12133321. The next prime is 12133333. The reversal of 12133330 is 3333121.

12133330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12133333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7275 + ... + 8785.

It is an arithmetic number, because the mean of its divisors is an integer number (755244).

Almost surely, 212133330 is an apocalyptic number.

12133330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12133330 is a deficient number, since it is larger than the sum of its proper divisors (12034478).

12133330 is a wasteful number, since it uses less digits than its factorization.

12133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 12133330 is about 3483.2929822224. The cubic root of 12133330 is about 229.7876426817.

Adding to 12133330 its reverse (3333121), we get a palindrome (15466451).

The spelling of 12133330 in words is "twelve million, one hundred thirty-three thousand, three hundred thirty".