13812263987 has 2 divisors, whose sum is σ = 13812263988. Its totient is φ = 13812263986.

The previous prime is 13812263951. The next prime is 13812264019. The reversal of 13812263987 is 78936221831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13812263987 - 2¹⁰ = 13812262963 is a prime.

It is not a weakly prime, because it can be changed into another prime (13812263917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906131993 + 6906131994.

It is an arithmetic number, because the mean of its divisors is an integer number (6906131994).

Almost surely, 2^13812263987 is an apocalyptic number.

13812263987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13812263987 is an equidigital number, since it uses as much as digits as its factorization.

13812263987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The spelling of 13812263987 in words is "thirteen billion, eight hundred twelve million, two hundred sixty-three thousand, nine hundred eighty-seven".