13019669 has 8 divisors (see below), whose sum is σ = 14347872. Its totient is φ = 11738160.

The previous prime is 13019663. The next prime is 13019681. The reversal of 13019669 is 96691031.

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

It is a cyclic number.

It is not a de Polignac number, because 13019669 - 2¹⁶ = 12954133 is a prime.

It is a super-2 number, since 2×13019669² = 339023561739122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13019663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11087 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (1793484).

Almost surely, 2^13019669 is an apocalyptic number.

It is an amenable number.

13019669 is a deficient number, since it is larger than the sum of its proper divisors (1328203).

13019669 is a wasteful number, since it uses less digits than its factorization.

13019669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23347.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 13019669 is about 3608.2778440691. The cubic root of 13019669 is about 235.2519946617.

The spelling of 13019669 in words is "thirteen million, nineteen thousand, six hundred sixty-nine".