12986073 has 12 divisors (see below), whose sum is σ = 18925140. Its totient is φ = 8580768.

The previous prime is 12986041. The next prime is 12986081. The reversal of 12986073 is 37068921.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12986073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 9018009 = 1992^2 + 3003^2 .

It is not a de Polignac number, because 12986073 - 2⁵ = 12986041 is a prime.

It is a super-2 number, since 2×12986073² = 337276183922658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12986003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114865 + ... + 114977.

It is an arithmetic number, because the mean of its divisors is an integer number (1577095).

Almost surely, 2^12986073 is an apocalyptic number.

It is an amenable number.

12986073 is a deficient number, since it is larger than the sum of its proper divisors (5939067).

12986073 is an frugal number, since it uses more digits than its factorization.

12986073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12986073 is about 3603.6194305170. The cubic root of 12986073 is about 235.0494720049.

The spelling of 12986073 in words is "twelve million, nine hundred eighty-six thousand, seventy-three".