13020251207 has 4 divisors (see below), whose sum is σ = 13021544016. Its totient is φ = 13018958400.

The previous prime is 13020251203. The next prime is 13020251219. The reversal of 13020251207 is 70215202031.

It is a happy number.

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 13020251207 - 2² = 13020251203 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 (13020251203) 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 3 ways as a sum of consecutive naturals, for example, 631178 + ... + 651479.

It is an arithmetic number, because the mean of its divisors is an integer number (3255386004).

Almost surely, 2^13020251207 is an apocalyptic number.

13020251207 is a deficient number, since it is larger than the sum of its proper divisors (1292809).

13020251207 is a wasteful number, since it uses less digits than its factorization.

13020251207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292808.

The product of its (nonzero) digits is 840, while the sum is 23.

Adding to 13020251207 its reverse (70215202031), we get a palindrome (83235453238).

The spelling of 13020251207 in words is "thirteen billion, twenty million, two hundred fifty-one thousand, two hundred seven".