12445450 has 12 divisors (see below), whose sum is σ = 23148630. Its totient is φ = 4978160.

The previous prime is 12445441. The next prime is 12445469. The reversal of 12445450 is 5454421.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7601049 + 4844401 = 2757^2 + 2201^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124405 + ... + 124504.

Almost surely, 2^12445450 is an apocalyptic number.

12445450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12445450 is a deficient number, since it is larger than the sum of its proper divisors (10703180).

12445450 is a wasteful number, since it uses less digits than its factorization.

12445450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248921 (or 248916 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 12445450 is about 3527.8109359772. The cubic root of 12445450 is about 231.7413511658.

Adding to 12445450 its reverse (5454421), we get a palindrome (17899871).

The spelling of 12445450 in words is "twelve million, four hundred forty-five thousand, four hundred fifty".