Search a number
-
+
13256732 = 228773779
BaseRepresentation
bin110010100100…
…100000011100
3220221111211002
4302210200130
511343203412
61152045432
7220452236
oct62444034
926844732
1013256732
117534a85
124533878
132992028
141a91256
15126cdc2
hexca481c

13256732 has 12 divisors (see below), whose sum is σ = 23231880. Its totient is φ = 6619056.

The previous prime is 13256723. The next prime is 13256759. The reversal of 13256732 is 23765231.

It is a junction number, because it is equal to n+sod(n) for n = 13256695 and 13256704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (1935990).

Almost surely, 213256732 is an apocalyptic number.

It is an amenable number.

13256732 is a deficient number, since it is larger than the sum of its proper divisors (9975148).

13256732 is a wasteful number, since it uses less digits than its factorization.

13256732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4658 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 13256732 is about 3640.9795385308. The cubic root of 13256732 is about 236.6712432715.

The spelling of 13256732 in words is "thirteen million, two hundred fifty-six thousand, seven hundred thirty-two".

Divisors: 1 2 4 877 1754 3508 3779 7558 15116 3314183 6628366 13256732