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12533260 = 225626663
BaseRepresentation
bin101111110011…
…111000001100
3212120202101211
4233303320030
511202031020
61124344204
7211350055
oct57637014
925522354
1012533260
117090473
124245064
13279a93c
14194372c
15117885a
hexbf3e0c

12533260 has 12 divisors (see below), whose sum is σ = 26319888. Its totient is φ = 5013296.

The previous prime is 12533237. The next prime is 12533263. The reversal of 12533260 is 6233521.

It is not an unprimeable number, because it can be changed into a prime (12533263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313312 + ... + 313351.

It is an arithmetic number, because the mean of its divisors is an integer number (2193324).

Almost surely, 212533260 is an apocalyptic number.

12533260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12533260 is an abundant number, since it is smaller than the sum of its proper divisors (13786628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12533260 is a wasteful number, since it uses less digits than its factorization.

12533260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626672 (or 626670 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 12533260 is about 3540.2344555128. The cubic root of 12533260 is about 232.2850983774.

Adding to 12533260 its reverse (6233521), we get a palindrome (18766781).

The spelling of 12533260 in words is "twelve million, five hundred thirty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 626663 1253326 2506652 3133315 6266630 12533260