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12974097 = 34324699
BaseRepresentation
bin110001011111…
…100000010001
3220102011010010
4301133200101
511310132342
61142025133
7215164233
oct61374021
926364103
1012974097
1173616a4
1244181a9
1328c34a6
141a1a253
15121429c
hexc5f811

12974097 has 4 divisors (see below), whose sum is σ = 17298800. Its totient is φ = 8649396.

The previous prime is 12974083. The next prime is 12974113. The reversal of 12974097 is 79047921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12974097 - 26 = 12974033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12974497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162347 + ... + 2162352.

It is an arithmetic number, because the mean of its divisors is an integer number (4324700).

Almost surely, 212974097 is an apocalyptic number.

It is an amenable number.

12974097 is a deficient number, since it is larger than the sum of its proper divisors (4324703).

12974097 is an equidigital number, since it uses as much as digits as its factorization.

12974097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324702.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 12974097 is about 3601.9573845341. The cubic root of 12974097 is about 234.9771941049.

The spelling of 12974097 in words is "twelve million, nine hundred seventy-four thousand, ninety-seven".

Divisors: 1 3 4324699 12974097