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13135224 = 233547301
BaseRepresentation
bin110010000110…
…110101111000
3220201100010210
4302012311320
511330311344
61145311120
7216435054
oct62066570
926640123
1013135224
117461763
1244954a0
13294b92b
141a5cc64
151246db9
hexc86d78

13135224 has 16 divisors (see below), whose sum is σ = 32838120. Its totient is φ = 4378400.

The previous prime is 13135217. The next prime is 13135247. The reversal of 13135224 is 42253131.

13135224 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13135224.

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, 273627 + ... + 273674.

Almost surely, 213135224 is an apocalyptic number.

It is an amenable number.

13135224 is an abundant number, since it is smaller than the sum of its proper divisors (19702896).

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

13135224 is a wasteful number, since it uses less digits than its factorization.

13135224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547310 (or 547306 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 13135224 is about 3624.2549579189. The cubic root of 13135224 is about 235.9459322659.

Adding to 13135224 its reverse (42253131), we get a palindrome (55388355).

The spelling of 13135224 in words is "thirteen million, one hundred thirty-five thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 547301 1094602 1641903 2189204 3283806 4378408 6567612 13135224