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12120074 = 26060037
BaseRepresentation
bin101110001111…
…000000001010
3211210202121122
4232033000022
511100320244
61111435242
7205006331
oct56170012
924722548
1012120074
116928a9a
124085b22
132684855
141876d18
1510e61ee
hexb8f00a

12120074 has 4 divisors (see below), whose sum is σ = 18180114. Its totient is φ = 6060036.

The previous prime is 12120071. The next prime is 12120077. The reversal of 12120074 is 47002121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47002121 = 382112301.

It is an interprime number because it is at equal distance from previous prime (12120071) and next prime (12120077).

It can be written as a sum of positive squares in only one way, i.e., 9891025 + 2229049 = 3145^2 + 1493^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12120071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030017 + ... + 3030020.

Almost surely, 212120074 is an apocalyptic number.

12120074 is a deficient number, since it is larger than the sum of its proper divisors (6060040).

12120074 is an equidigital number, since it uses as much as digits as its factorization.

12120074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060039.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12120074 is about 3481.3896650619. The cubic root of 12120074 is about 229.7039290607.

Adding to 12120074 its reverse (47002121), we get a palindrome (59122195).

The spelling of 12120074 in words is "twelve million, one hundred twenty thousand, seventy-four".

Divisors: 1 2 6060037 12120074