12320277 has 8 divisors (see below), whose sum is σ = 16572864. Its totient is φ = 8140608.

The previous prime is 12320267. The next prime is 12320309. The reversal of 12320277 is 77202321.

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

It is not a de Polignac number, because 12320277 - 2¹⁰ = 12319253 is a prime.

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 (12320207) 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, 17833 + ... + 18510.

It is an arithmetic number, because the mean of its divisors is an integer number (2071608).

Almost surely, 2^12320277 is an apocalyptic number.

It is an amenable number.

12320277 is a deficient number, since it is larger than the sum of its proper divisors (4252587).

12320277 is a wasteful number, since it uses less digits than its factorization.

12320277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36459.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 12320277 is about 3510.0252135847. The cubic root of 12320277 is about 230.9618009961.

Adding to 12320277 its reverse (77202321), we get a palindrome (89522598).

The spelling of 12320277 in words is "twelve million, three hundred twenty thousand, two hundred seventy-seven".