13919074 has 8 divisors (see below), whose sum is σ = 22484700. Its totient is φ = 6424176.

The previous prime is 13919069. The next prime is 13919083. The reversal of 13919074 is 47091931.

It can be written as a sum of positive squares in 2 ways, for example, as 13505625 + 413449 = 3675^2 + 643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 267649 + ... + 267700.

Almost surely, 2^13919074 is an apocalyptic number.

13919074 is a deficient number, since it is larger than the sum of its proper divisors (8565626).

13919074 is a wasteful number, since it uses less digits than its factorization.

13919074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535364.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 13919074 is about 3730.8275221457. The cubic root of 13919074 is about 240.5489402379.

The spelling of 13919074 in words is "thirteen million, nine hundred nineteen thousand, seventy-four".