12561308 has 12 divisors (see below), whose sum is σ = 22026312. Its totient is φ = 6268080.

The previous prime is 12561301. The next prime is 12561313. The reversal of 12561308 is 80316521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12561301) 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, 683 + ... + 5058.

It is an arithmetic number, because the mean of its divisors is an integer number (1835526).

Almost surely, 2^12561308 is an apocalyptic number.

It is an amenable number.

12561308 is a deficient number, since it is larger than the sum of its proper divisors (9465004).

12561308 is a wasteful number, since it uses less digits than its factorization.

12561308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292 (or 6290 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12561308 is about 3544.1935613056. The cubic root of 12561308 is about 232.4582450935.

Adding to 12561308 its reverse (80316521), we get a palindrome (92877829).

The spelling of 12561308 in words is "twelve million, five hundred sixty-one thousand, three hundred eight".