12273717 has 4 divisors (see below), whose sum is σ = 16364960. Its totient is φ = 8182476.

The previous prime is 12273689. The next prime is 12273761. The reversal of 12273717 is 71737221.

12273717 is digitally balanced in base 2 and base 4, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12273717 - 2⁷ = 12273589 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273787) 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, 2045617 + ... + 2045622.

It is an arithmetic number, because the mean of its divisors is an integer number (4091240).

Almost surely, 2^12273717 is an apocalyptic number.

It is an amenable number.

12273717 is a deficient number, since it is larger than the sum of its proper divisors (4091243).

12273717 is an equidigital number, since it uses as much as digits as its factorization.

12273717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091242.

The product of its digits is 4116, while the sum is 30.

The square root of 12273717 is about 3503.3865045125. The cubic root of 12273717 is about 230.6704883797.

The spelling of 12273717 in words is "twelve million, two hundred seventy-three thousand, seven hundred seventeen".