12445407001 has 4 divisors (see below), whose sum is σ = 12447228852. Its totient is φ = 12443585152.

The previous prime is 12445406993. The next prime is 12445407011. The reversal of 12445407001 is 10070454421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 12402163225 = 6576^2 + 111365^2 .

It is a cyclic number.

It is not a de Polignac number, because 12445407001 - 2³ = 12445406993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12445407011) 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, 900640 + ... + 914353.

It is an arithmetic number, because the mean of its divisors is an integer number (3111807213).

Almost surely, 2^12445407001 is an apocalyptic number.

It is an amenable number.

12445407001 is a deficient number, since it is larger than the sum of its proper divisors (1821851).

12445407001 is an equidigital number, since it uses as much as digits as its factorization.

12445407001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821850.

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 12445407001 in words is "twelve billion, four hundred forty-five million, four hundred seven thousand, one".