13956019 has 12 divisors (see below), whose sum is σ = 17532592. Its totient is φ = 10874160.

The previous prime is 13956011. The next prime is 13956029. The reversal of 13956019 is 91065931.

13956019 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13956019 - 2³ = 13956011 is a prime.

It is a super-2 number, since 2×13956019² = 389540932656722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13956011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7392 + ... + 9085.

Almost surely, 2^13956019 is an apocalyptic number.

13956019 is a deficient number, since it is larger than the sum of its proper divisors (3576573).

13956019 is a wasteful number, since it uses less digits than its factorization.

13956019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506 (or 16495 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 13956019 is about 3735.7755553566. The cubic root of 13956019 is about 240.7615796051.

The spelling of 13956019 in words is "thirteen million, nine hundred fifty-six thousand, nineteen".