13812772436 has 12 divisors (see below), whose sum is σ = 24230045280. Its totient is φ = 6889902360.

The previous prime is 13812772427. The next prime is 13812772439. The reversal of 13812772436 is 63427721831.

It is a super-3 number, since 3×13812772436³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13812772439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4119080 + ... + 4122431.

It is an arithmetic number, because the mean of its divisors is an integer number (2019170440).

Almost surely, 2^13812772436 is an apocalyptic number.

It is an amenable number.

13812772436 is a deficient number, since it is larger than the sum of its proper divisors (10417272844).

13812772436 is a wasteful number, since it uses less digits than its factorization.

13812772436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241934 (or 8241932 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The spelling of 13812772436 in words is "thirteen billion, eight hundred twelve million, seven hundred seventy-two thousand, four hundred thirty-six".