12745330 has 16 divisors (see below), whose sum is σ = 24706584. Its totient is φ = 4705920.

The previous prime is 12745321. The next prime is 12745331. The reversal of 12745330 is 3354721.

12745330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9728161 + 3017169 = 3119^2 + 1737^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12745295 and 12745304.

It is not an unprimeable number, because it can be changed into a prime (12745331) 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, 48891 + ... + 49150.

Almost surely, 2^12745330 is an apocalyptic number.

12745330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12745330 is a deficient number, since it is larger than the sum of its proper divisors (11961254).

12745330 is a wasteful number, since it uses less digits than its factorization.

12745330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98061.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12745330 is about 3570.0602235817. The cubic root of 12745330 is about 233.5879103528.

The spelling of 12745330 in words is "twelve million, seven hundred forty-five thousand, three hundred thirty".