12070545 has 8 divisors (see below), whose sum is σ = 19312896. Its totient is φ = 6437616.

The previous prime is 12070543. The next prime is 12070571. The reversal of 12070545 is 54507021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12070545 - 2¹ = 12070543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12070543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402337 + ... + 402366.

It is an arithmetic number, because the mean of its divisors is an integer number (2414112).

Almost surely, 2^12070545 is an apocalyptic number.

12070545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12070545 is a deficient number, since it is larger than the sum of its proper divisors (7242351).

12070545 is an equidigital number, since it uses as much as digits as its factorization.

12070545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804711.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 12070545 is about 3474.2689878592. The cubic root of 12070545 is about 229.3906048280.

Adding to 12070545 its reverse (54507021), we get a palindrome (66577566).

The spelling of 12070545 in words is "twelve million, seventy thousand, five hundred forty-five".