12450556 has 6 divisors (see below), whose sum is σ = 21788480. Its totient is φ = 6225276.

The previous prime is 12450551. The next prime is 12450563. The reversal of 12450556 is 65505421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556316 + ... + 1556323.

Almost surely, 2^12450556 is an apocalyptic number.

It is an amenable number.

12450556 is a deficient number, since it is larger than the sum of its proper divisors (9337924).

12450556 is a wasteful number, since it uses less digits than its factorization.

12450556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112643 (or 3112641 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 12450556 is about 3528.5345400038. The cubic root of 12450556 is about 231.7730390398.

Adding to 12450556 its reverse (65505421), we get a palindrome (77955977).

The spelling of 12450556 in words is "twelve million, four hundred fifty thousand, five hundred fifty-six".