13769644 has 12 divisors (see below), whose sum is σ = 27539344. Its totient is φ = 5901264.

The previous prime is 13769641. The next prime is 13769671. The reversal of 13769644 is 44696731.

13769644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13769644 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13769597 and 13769606.

It is not an unprimeable number, because it can be changed into a prime (13769641) 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, 245859 + ... + 245914.

Almost surely, 2^13769644 is an apocalyptic number.

13769644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13769644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13769644 is a wasteful number, since it uses less digits than its factorization.

13769644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491784 (or 491782 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 13769644 is about 3710.7470945889. The cubic root of 13769644 is about 239.6850266280.

The spelling of 13769644 in words is "thirteen million, seven hundred sixty-nine thousand, six hundred forty-four".