12473745 has 8 divisors (see below), whose sum is σ = 19958016. Its totient is φ = 6652656.

The previous prime is 12473743. The next prime is 12473759. The reversal of 12473745 is 54737421.

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

It is not a de Polignac number, because 12473745 - 2¹ = 12473743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12473743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415777 + ... + 415806.

It is an arithmetic number, because the mean of its divisors is an integer number (2494752).

Almost surely, 2^12473745 is an apocalyptic number.

12473745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12473745 is a deficient number, since it is larger than the sum of its proper divisors (7484271).

12473745 is an equidigital number, since it uses as much as digits as its factorization.

12473745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831591.

The product of its digits is 23520, while the sum is 33.

The square root of 12473745 is about 3531.8189364689. The cubic root of 12473745 is about 231.9168412324.

It can be divided in two parts, 124737 and 45, that multiplied together give a palindrome (5613165).

The spelling of 12473745 in words is "twelve million, four hundred seventy-three thousand, seven hundred forty-five".