13819012 has 6 divisors (see below), whose sum is σ = 24183278. Its totient is φ = 6909504.

The previous prime is 13819007. The next prime is 13819033. The reversal of 13819012 is 21091831.

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 379456 = 3666^2 + 616^2 .

It is a super-2 number, since 2×13819012² = 381930185312288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727373 + ... + 1727380.

Almost surely, 2^13819012 is an apocalyptic number.

It is an amenable number.

13819012 is a deficient number, since it is larger than the sum of its proper divisors (10364266).

13819012 is a wasteful number, since it uses less digits than its factorization.

13819012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454757 (or 3454755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 13819012 is about 3717.3931726413. The cubic root of 13819012 is about 239.9711307868.

It can be divided in two parts, 13 and 819012, that added together give a square (819025 = 905²).

The spelling of 13819012 in words is "thirteen million, eight hundred nineteen thousand, twelve".