12481807 has 4 divisors (see below), whose sum is σ = 13441960. Its totient is φ = 11521656.

The previous prime is 12481793. The next prime is 12481823. The reversal of 12481807 is 70818421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12481807 - 2¹¹ = 12479759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480057 + ... + 480082.

It is an arithmetic number, because the mean of its divisors is an integer number (3360490).

Almost surely, 2^12481807 is an apocalyptic number.

12481807 is a deficient number, since it is larger than the sum of its proper divisors (960153).

12481807 is an equidigital number, since it uses as much as digits as its factorization.

12481807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960152.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12481807 is about 3532.9600903492. The cubic root of 12481807 is about 231.9667944450.

The spelling of 12481807 in words is "twelve million, four hundred eighty-one thousand, eight hundred seven".