13130501225 has 12 divisors (see below), whose sum is σ = 17239576284. Its totient is φ = 9886494720.

The previous prime is 13130501213. The next prime is 13130501231. The reversal of 13130501225 is 52210503131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 920030224 + 12210471001 = 30332^2 + 110501^2 .

It is not a de Polignac number, because 13130501225 - 2⁶ = 13130501161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13130501225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15447224 + ... + 15448073.

It is an arithmetic number, because the mean of its divisors is an integer number (1436631357).

Almost surely, 2^13130501225 is an apocalyptic number.

It is an amenable number.

13130501225 is a deficient number, since it is larger than the sum of its proper divisors (4109075059).

13130501225 is a wasteful number, since it uses less digits than its factorization.

13130501225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895324 (or 30895319 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 13130501225 in words is "thirteen billion, one hundred thirty million, five hundred one thousand, two hundred twenty-five".