13290674786 has 4 divisors (see below), whose sum is σ = 19936012182. Its totient is φ = 6645337392.

The previous prime is 13290674777. The next prime is 13290674801. The reversal of 13290674786 is 68747609231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68747609231 = 7 ⋅9821087033.

It can be written as a sum of positive squares in only one way, i.e., 12087903025 + 1202771761 = 109945^2 + 34681^2 .

It is a super-2 number, since 2×13290674786² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3322668695 + ... + 3322668698.

Almost surely, 2^13290674786 is an apocalyptic number.

13290674786 is a deficient number, since it is larger than the sum of its proper divisors (6645337396).

13290674786 is an equidigital number, since it uses as much as digits as its factorization.

13290674786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645337395.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 13290674786 in words is "thirteen billion, two hundred ninety million, six hundred seventy-four thousand, seven hundred eighty-six".