12277425 has 24 divisors (see below), whose sum is σ = 20402464. Its totient is φ = 6514560.

The previous prime is 12277399. The next prime is 12277427. The reversal of 12277425 is 52477221.

12277425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12277425 - 2⁵ = 12277393 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12277392 and 12277401.

It is not an unprimeable number, because it can be changed into a prime (12277427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23214 + ... + 23736.

Almost surely, 2^12277425 is an apocalyptic number.

12277425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12277425 is a deficient number, since it is larger than the sum of its proper divisors (8125039).

12277425 is a wasteful number, since it uses less digits than its factorization.

12277425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 844 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 12277425 is about 3503.9156667934. The cubic root of 12277425 is about 230.6937152487.

The spelling of 12277425 in words is "twelve million, two hundred seventy-seven thousand, four hundred twenty-five".