12777325 has 24 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 9177600.

The previous prime is 12777299. The next prime is 12777341. The reversal of 12777325 is 52377721.

It is a happy number.

It is not a de Polignac number, because 12777325 - 2¹⁷ = 12646253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26436 + ... + 26914.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 2^12777325 is an apocalyptic number.

It is an amenable number.

12777325 is a deficient number, since it is larger than the sum of its proper divisors (4721555).

12777325 is a wasteful number, since it uses less digits than its factorization.

12777325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 592 counting only the distinct ones).

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

The square root of 12777325 is about 3574.5384317419. The cubic root of 12777325 is about 233.7832080324.

The spelling of 12777325 in words is "twelve million, seven hundred seventy-seven thousand, three hundred twenty-five".