12690273 has 8 divisors (see below), whose sum is σ = 17656128. Its totient is φ = 8092304.

The previous prime is 12690263. The next prime is 12690277. The reversal of 12690273 is 37209621.

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

It is a cyclic number.

It is not a de Polignac number, because 12690273 - 2⁸ = 12690017 is a prime.

It is a super-2 number, since 2×12690273² = 322086057629058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12690273.

It is not an unprimeable number, because it can be changed into a prime (12690277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91890 + ... + 92027.

It is an arithmetic number, because the mean of its divisors is an integer number (2207016).

Almost surely, 2^12690273 is an apocalyptic number.

It is an amenable number.

12690273 is a deficient number, since it is larger than the sum of its proper divisors (4965855).

12690273 is a wasteful number, since it uses less digits than its factorization.

12690273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183943.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 12690273 is about 3562.3409438177. The cubic root of 12690273 is about 233.2510755399.

Adding to 12690273 its reverse (37209621), we get a palindrome (49899894).

The spelling of 12690273 in words is "twelve million, six hundred ninety thousand, two hundred seventy-three".