12277357 has 4 divisors (see below), whose sum is σ = 12358816. Its totient is φ = 12195900.

The previous prime is 12277351. The next prime is 12277361. The reversal of 12277357 is 75377221.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75377221 = 71 ⋅1061651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12277357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277351) 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, 40503 + ... + 40804.

It is an arithmetic number, because the mean of its divisors is an integer number (3089704).

Almost surely, 2^12277357 is an apocalyptic number.

It is an amenable number.

12277357 is a deficient number, since it is larger than the sum of its proper divisors (81459).

12277357 is an equidigital number, since it uses as much as digits as its factorization.

12277357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81458.

The product of its digits is 20580, while the sum is 34.

The square root of 12277357 is about 3503.9059633500. The cubic root of 12277357 is about 230.6932893396.

The spelling of 12277357 in words is "twelve million, two hundred seventy-seven thousand, three hundred fifty-seven".