13782669 has 4 divisors (see below), whose sum is σ = 18376896. Its totient is φ = 9188444.

The previous prime is 13782667. The next prime is 13782673. The reversal of 13782669 is 96628731.

It is a happy number.

13782669 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13782669 - 2¹ = 13782667 is a prime.

It is a super-2 number, since 2×13782669² = 379923929527122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13782669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13782667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297109 + ... + 2297114.

It is an arithmetic number, because the mean of its divisors is an integer number (4594224).

Almost surely, 2^13782669 is an apocalyptic number.

It is an amenable number.

13782669 is a deficient number, since it is larger than the sum of its proper divisors (4594227).

13782669 is an equidigital number, since it uses as much as digits as its factorization.

13782669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594226.

The product of its digits is 108864, while the sum is 42.

The square root of 13782669 is about 3712.5017171713. The cubic root of 13782669 is about 239.7605772047.

The spelling of 13782669 in words is "thirteen million, seven hundred eighty-two thousand, six hundred sixty-nine".