12505246 has 16 divisors (see below), whose sum is σ = 20695248. Its totient is φ = 5630400.

The previous prime is 12505237. The next prime is 12505247. The reversal of 12505246 is 64250521.

It is a self number, because there is not a number n which added to its sum of digits gives 12505246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4800 + ... + 6931.

It is an arithmetic number, because the mean of its divisors is an integer number (1293453).

Almost surely, 2^12505246 is an apocalyptic number.

12505246 is a deficient number, since it is larger than the sum of its proper divisors (8190002).

12505246 is a wasteful number, since it uses less digits than its factorization.

12505246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 12505246 is about 3536.2757245441. The cubic root of 12505246 is about 232.1119035066. Note that the first 3 decimals are identical.

Adding to 12505246 its reverse (64250521), we get a palindrome (76755767).

The spelling of 12505246 in words is "twelve million, five hundred five thousand, two hundred forty-six".