13000403356 has 12 divisors (see below), whose sum is σ = 22772359960. Its totient is φ = 6494014800.

The previous prime is 13000403329. The next prime is 13000403363. The reversal of 13000403356 is 65330400031.

It is a self number, because there is not a number n which added to its sum of digits gives 13000403356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541991 + ... + 1550398.

Almost surely, 2^13000403356 is an apocalyptic number.

It is an amenable number.

13000403356 is a deficient number, since it is larger than the sum of its proper divisors (9771956604).

13000403356 is a wasteful number, since it uses less digits than its factorization.

13000403356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093444 (or 3093442 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 13000403356 its reverse (65330400031), we get a palindrome (78330803387).

The spelling of 13000403356 in words is "thirteen billion, four hundred three thousand, three hundred fifty-six".