12545330 has 32 divisors (see below), whose sum is σ = 25940736. Its totient is φ = 4279104.

The previous prime is 12545261. The next prime is 12545333. The reversal of 12545330 is 3354521.

It is a junction number, because it is equal to n+sod(n) for n = 12545296 and 12545305.

It is not an unprimeable number, because it can be changed into a prime (12545333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19067 + ... + 19713.

It is an arithmetic number, because the mean of its divisors is an integer number (810648).

Almost surely, 2^12545330 is an apocalyptic number.

12545330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12545330 is an abundant number, since it is smaller than the sum of its proper divisors (13395406).

12545330 is a wasteful number, since it uses less digits than its factorization.

12545330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 12545330 is about 3541.9387346480. The cubic root of 12545330 is about 232.3596408774.

Adding to 12545330 its reverse (3354521), we get a palindrome (15899851).

The spelling of 12545330 in words is "twelve million, five hundred forty-five thousand, three hundred thirty".