12490277 has 4 divisors (see below), whose sum is σ = 13147680. Its totient is φ = 11832876.

The previous prime is 12490273. The next prime is 12490301. The reversal of 12490277 is 77209421.

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: 77209421 = 5897 ⋅13093.

It is a cyclic number.

It is not a de Polignac number, because 12490277 - 2² = 12490273 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 (12490273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328673 + ... + 328710.

It is an arithmetic number, because the mean of its divisors is an integer number (3286920).

Almost surely, 2^12490277 is an apocalyptic number.

It is an amenable number.

12490277 is a deficient number, since it is larger than the sum of its proper divisors (657403).

12490277 is an equidigital number, since it uses as much as digits as its factorization.

12490277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657402.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 12490277 is about 3534.1585985917. The cubic root of 12490277 is about 232.0192525145.

Adding to 12490277 its reverse (77209421), we get a palindrome (89699698).

The spelling of 12490277 in words is "twelve million, four hundred ninety thousand, two hundred seventy-seven".