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13085652 = 2231090471
BaseRepresentation
bin110001111010…
…101111010100
3220121211010210
4301322233110
511322220102
61144245420
7216140406
oct61725724
926554123
1013085652
117428498
124470870
1329321b8
141a48b76
15123736c
hexc7abd4

13085652 has 12 divisors (see below), whose sum is σ = 30533216. Its totient is φ = 4361880.

The previous prime is 13085651. The next prime is 13085663. The reversal of 13085652 is 25658031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085651) 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, 545224 + ... + 545247.

Almost surely, 213085652 is an apocalyptic number.

13085652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13085652 is an abundant number, since it is smaller than the sum of its proper divisors (17447564).

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

13085652 is a wasteful number, since it uses less digits than its factorization.

13085652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090478 (or 1090476 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13085652 is about 3617.4095703970. The cubic root of 13085652 is about 235.6487401119.

The spelling of 13085652 in words is "thirteen million, eighty-five thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 1090471 2180942 3271413 4361884 6542826 13085652