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12969542 = 217833637
BaseRepresentation
bin110001011110…
…011001000110
3220101220212102
4301132121012
511310011132
61141552102
7215145035
oct61363106
926356772
1012969542
117359233
124415632
1328c13b1
141a1871c
151212c62
hexc5e646

12969542 has 8 divisors (see below), whose sum is σ = 19470576. Its totient is φ = 6479352.

The previous prime is 12969491. The next prime is 12969547. The reversal of 12969542 is 24596921.

12969542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12969496 and 12969505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12969547) 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, 1748 + ... + 5384.

It is an arithmetic number, because the mean of its divisors is an integer number (2433822).

Almost surely, 212969542 is an apocalyptic number.

12969542 is a deficient number, since it is larger than the sum of its proper divisors (6501034).

12969542 is a wasteful number, since it uses less digits than its factorization.

12969542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422.

The product of its digits is 38880, while the sum is 38.

The square root of 12969542 is about 3601.3250339285. The cubic root of 12969542 is about 234.9496919622.

The spelling of 12969542 in words is "twelve million, nine hundred sixty-nine thousand, five hundred forty-two".

Divisors: 1 2 1783 3566 3637 7274 6484771 12969542