12254779 has 4 divisors (see below), whose sum is σ = 12317184. Its totient is φ = 12192376.

The previous prime is 12254771. The next prime is 12254783. The reversal of 12254779 is 97745221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12254779 - 2³ = 12254771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12254771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30907 + ... + 31300.

It is an arithmetic number, because the mean of its divisors is an integer number (3079296).

Almost surely, 2^12254779 is an apocalyptic number.

12254779 is a deficient number, since it is larger than the sum of its proper divisors (62405).

12254779 is an equidigital number, since it uses as much as digits as its factorization.

12254779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62404.

The product of its digits is 35280, while the sum is 37.

The square root of 12254779 is about 3500.6826477132. The cubic root of 12254779 is about 230.5517879505.

The spelling of 12254779 in words is "twelve million, two hundred fifty-four thousand, seven hundred seventy-nine".