13013421250 has 40 divisors (see below), whose sum is σ = 24852716460. Its totient is φ = 5107128000.

The previous prime is 13013421221. The next prime is 13013421259. The reversal of 13013421250 is 5212431031.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 689535081 + 12323886169 = 26259^2 + 111013^2 .

It is not an unprimeable number, because it can be changed into a prime (13013421259) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31965 + ... + 164464.

Almost surely, 2^13013421250 is an apocalyptic number.

13013421250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013421250 is a deficient number, since it is larger than the sum of its proper divisors (11839295210).

13013421250 is an equidigital number, since it uses as much as digits as its factorization.

13013421250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196504 (or 196489 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13013421250 its reverse (5212431031), we get a palindrome (18225852281).

The spelling of 13013421250 in words is "thirteen billion, thirteen million, four hundred twenty-one thousand, two hundred fifty".