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13086252 = 2233121169
BaseRepresentation
bin110001111010…
…111000101100
3220121211222000
4301322320230
511322230002
61144252300
7216142224
oct61727054
926554860
1013086252
117428993
124471090
13293255a
141a49084
15123761c
hexc7ae2c

13086252 has 24 divisors (see below), whose sum is σ = 33927600. Its totient is φ = 4362048.

The previous prime is 13086251. The next prime is 13086263. The reversal of 13086252 is 25268031.

13086252 is a `hidden beast` number, since 1 + 30 + 8 + 625 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13086251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60477 + ... + 60692.

It is an arithmetic number, because the mean of its divisors is an integer number (1413650).

Almost surely, 213086252 is an apocalyptic number.

13086252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13086252 is an abundant number, since it is smaller than the sum of its proper divisors (20841348).

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

13086252 is a wasteful number, since it uses less digits than its factorization.

13086252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121182 (or 121174 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13086252 is about 3617.4925017199. The cubic root of 13086252 is about 235.6523416923.

The spelling of 13086252 in words is "thirteen million, eighty-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 121169 242338 363507 484676 727014 1090521 1454028 2181042 3271563 4362084 6543126 13086252