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13091124 = 2231090927
BaseRepresentation
bin110001111100…
…000100110100
3220122002122110
4301330010310
511322403444
61144331020
7216162354
oct61740464
926562573
1013091124
117431612
124473a70
132934837
141a4ab64
151238cb9
hexc7c134

13091124 has 12 divisors (see below), whose sum is σ = 30545984. Its totient is φ = 4363704.

The previous prime is 13091123. The next prime is 13091137. The reversal of 13091124 is 42119031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13091124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13091123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545452 + ... + 545475.

Almost surely, 213091124 is an apocalyptic number.

It is an amenable number.

13091124 is an abundant number, since it is smaller than the sum of its proper divisors (17454860).

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

13091124 is a wasteful number, since it uses less digits than its factorization.

13091124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090934 (or 1090932 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 13091124 is about 3618.1658336787. The cubic root of 13091124 is about 235.6815824497.

The spelling of 13091124 in words is "thirteen million, ninety-one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 1090927 2181854 3272781 4363708 6545562 13091124