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12040774 = 243140009
BaseRepresentation
bin101101111011…
…101001000110
3211122201211121
4231323221012
511040301044
61110024154
7204226204
oct55735106
924581747
1012040774
116884459
12404805a
132657725
141856074
1510cc984
hexb7ba46

12040774 has 8 divisors (see below), whose sum is σ = 18481320. Its totient is φ = 5880336.

The previous prime is 12040759. The next prime is 12040781. The reversal of 12040774 is 47704021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69919 + ... + 70090.

It is an arithmetic number, because the mean of its divisors is an integer number (2310165).

Almost surely, 212040774 is an apocalyptic number.

12040774 is a deficient number, since it is larger than the sum of its proper divisors (6440546).

12040774 is a wasteful number, since it uses less digits than its factorization.

12040774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140054.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 12040774 is about 3469.9818443329. The cubic root of 12040774 is about 229.2018585881.

Adding to 12040774 its reverse (47704021), we get a palindrome (59744795).

The spelling of 12040774 in words is "twelve million, forty thousand, seven hundred seventy-four".

Divisors: 1 2 43 86 140009 280018 6020387 12040774