13403387001236 has 12 divisors (see below), whose sum is σ = 23456731485012. Its totient is φ = 6701463719808.

The previous prime is 13403387001203. The next prime is 13403387001311. The reversal of 13403387001236 is 63210078330431.

It can be written as a sum of positive squares in 2 ways, for example, as 2956955376400 + 10446431624836 = 1719580^2 + 3232094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13403387001193 and 13403387001202.

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, 57313925 + ... + 57547308.

It is an arithmetic number, because the mean of its divisors is an integer number (1954727623751).

Almost surely, 2^{13403387001236} is an apocalyptic number.

It is an amenable number.

13403387001236 is a deficient number, since it is larger than the sum of its proper divisors (10053344483776).

13403387001236 is a wasteful number, since it uses less digits than its factorization.

13403387001236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114890410 (or 114890408 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 13403387001236 in words is "thirteen trillion, four hundred three billion, three hundred eighty-seven million, one thousand, two hundred thirty-six".