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12037994 = 238915473
BaseRepresentation
bin101101111010…
…111101101010
3211122121000122
4231322331222
511040203434
61110003242
7204215123
oct55727552
924577018
1012037994
116882361
124046522
132656397
14185504a
1510cbc2e
hexb7af6a

12037994 has 8 divisors (see below), whose sum is σ = 18104580. Its totient is φ = 6003136.

The previous prime is 12037973. The next prime is 12037997. The reversal of 12037994 is 49973021.

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 375769 = 3415^2 + 613^2 .

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

It is a super-3 number, since 3×120379943 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12037997) 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, 6959 + ... + 8514.

Almost surely, 212037994 is an apocalyptic number.

12037994 is a deficient number, since it is larger than the sum of its proper divisors (6066586).

12037994 is a wasteful number, since it uses less digits than its factorization.

12037994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12037994 is about 3469.5812427439. The cubic root of 12037994 is about 229.1842176898.

It can be divided in two parts, 12037 and 994, that added together give a palindrome (13031).

The spelling of 12037994 in words is "twelve million, thirty-seven thousand, nine hundred ninety-four".

Divisors: 1 2 389 778 15473 30946 6018997 12037994