12056345 has 16 divisors (see below), whose sum is σ = 16808448. Its totient is φ = 8130240.

The previous prime is 12056333. The next prime is 12056353. The reversal of 12056345 is 54365021.

It is a de Polignac number, because none of the positive numbers 2^k-12056345 is a prime.

It is a Duffinian number.

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, 689 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (1050528).

Almost surely, 2^12056345 is an apocalyptic number.

It is an amenable number.

12056345 is a deficient number, since it is larger than the sum of its proper divisors (4752103).

12056345 is an equidigital number, since it uses as much as digits as its factorization.

12056345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12056345 is about 3472.2247911102. The cubic root of 12056345 is about 229.3006164925.

It can be divided in two parts, 120 and 56345, that added together give a palindrome (56465).

The spelling of 12056345 in words is "twelve million, fifty-six thousand, three hundred forty-five".