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12124572 = 2231010381
BaseRepresentation
bin101110010000…
…000110011100
3211210222210020
4232100012130
511100441242
61111512140
7205025415
oct56200634
924728706
1012124572
116931409
124088650
132686905
14187880c
1510e76ec
hexb9019c

12124572 has 12 divisors (see below), whose sum is σ = 28290696. Its totient is φ = 4041520.

The previous prime is 12124571. The next prime is 12124583. The reversal of 12124572 is 27542121.

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 (12124571) 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, 505179 + ... + 505202.

It is an arithmetic number, because the mean of its divisors is an integer number (2357558).

Almost surely, 212124572 is an apocalyptic number.

12124572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12124572 is an abundant number, since it is smaller than the sum of its proper divisors (16166124).

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

12124572 is a wasteful number, since it uses less digits than its factorization.

12124572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010388 (or 1010386 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 12124572 is about 3482.0356115353. The cubic root of 12124572 is about 229.7323414418.

Adding to 12124572 its reverse (27542121), we get a palindrome (39666693).

The spelling of 12124572 in words is "twelve million, one hundred twenty-four thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 1010381 2020762 3031143 4041524 6062286 12124572