12697273 has 4 divisors (see below), whose sum is σ = 13135140. Its totient is φ = 12259408.

The previous prime is 12697261. The next prime is 12697303. The reversal of 12697273 is 37279621.

12697273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37279621 = 1453 ⋅25657.

It can be written as a sum of positive squares in 2 ways, for example, as 6487209 + 6210064 = 2547^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 12697273 - 2¹³ = 12689081 is a prime.

It is a super-2 number, since 2×12697273² = 322441483273058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12697673) 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, 218890 + ... + 218947.

It is an arithmetic number, because the mean of its divisors is an integer number (3283785).

Almost surely, 2^12697273 is an apocalyptic number.

It is an amenable number.

12697273 is a deficient number, since it is larger than the sum of its proper divisors (437867).

12697273 is an equidigital number, since it uses as much as digits as its factorization.

12697273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437866.

The product of its digits is 31752, while the sum is 37.

The square root of 12697273 is about 3563.3233083738. The cubic root of 12697273 is about 233.2939550327.

The spelling of 12697273 in words is "twelve million, six hundred ninety-seven thousand, two hundred seventy-three".