12051345 has 16 divisors (see below), whose sum is σ = 19432512. Its totient is φ = 6377280.

The previous prime is 12051329. The next prime is 12051373. The reversal of 12051345 is 54315021.

It is not a de Polignac number, because 12051345 - 2⁴ = 12051329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (1214532).

Almost surely, 2^12051345 is an apocalyptic number.

12051345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12051345 is a deficient number, since it is larger than the sum of its proper divisors (7381167).

12051345 is a wasteful number, since it uses less digits than its factorization.

12051345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12051345 is about 3471.5047169779. The cubic root of 12051345 is about 229.2689136392.

Adding to 12051345 its reverse (54315021), we get a palindrome (66366366).

The spelling of 12051345 in words is "twelve million, fifty-one thousand, three hundred forty-five".