13691234 has 8 divisors (see below), whose sum is σ = 20555868. Its totient is φ = 6839280.

The previous prime is 13691213. The next prime is 13691269. The reversal of 13691234 is 43219631.

It can be written as a sum of positive squares in 2 ways, for example, as 13300609 + 390625 = 3647^2 + 625^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13691197 and 13691206.

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, 284 + ... + 5240.

Almost surely, 2^13691234 is an apocalyptic number.

13691234 is a deficient number, since it is larger than the sum of its proper divisors (6864634).

13691234 is a wasteful number, since it uses less digits than its factorization.

13691234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340.

The product of its digits is 3888, while the sum is 29.

The square root of 13691234 is about 3700.1667529991. The cubic root of 13691234 is about 239.2292053727.

The spelling of 13691234 in words is "thirteen million, six hundred ninety-one thousand, two hundred thirty-four".