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12434213 = 118571319
BaseRepresentation
bin101111011011…
…101100100101
3212101201112102
4233123230211
511140343323
61122301445
7210455231
oct57335445
925351472
1012434213
117023010
1241b7885
13276482c
1419195c1
151159328
hexbdbb25

12434213 has 8 divisors (see below), whose sum is σ = 13590720. Its totient is φ = 11282080.

The previous prime is 12434207. The next prime is 12434231. The reversal of 12434213 is 31243421.

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

It is a cyclic number.

It is not a de Polignac number, because 12434213 - 24 = 12434197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434203) 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, 8768 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (1698840).

Almost surely, 212434213 is an apocalyptic number.

It is an amenable number.

12434213 is a deficient number, since it is larger than the sum of its proper divisors (1156507).

12434213 is a wasteful number, since it uses less digits than its factorization.

12434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187.

The product of its digits is 576, while the sum is 20.

The square root of 12434213 is about 3526.2179456182. The cubic root of 12434213 is about 231.6715837221.

Adding to 12434213 its reverse (31243421), we get a palindrome (43677634).

The spelling of 12434213 in words is "twelve million, four hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 11 857 1319 9427 14509 1130383 12434213