13663379 has 8 divisors (see below), whose sum is σ = 14464560. Its totient is φ = 12884256.

The previous prime is 13663361. The next prime is 13663387. The reversal of 13663379 is 97336631.

It is a happy number.

13663379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13663379 - 2⁸ = 13663123 is a prime.

It is a pancake number, because a pancake can be divided into 13663379 parts by 5227 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13663319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4232 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (1808070).

Almost surely, 2^13663379 is an apocalyptic number.

13663379 is a deficient number, since it is larger than the sum of its proper divisors (801181).

13663379 is a wasteful number, since it uses less digits than its factorization.

13663379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029.

The product of its digits is 61236, while the sum is 38.

The square root of 13663379 is about 3696.4008170111. The cubic root of 13663379 is about 239.0668568759.

The spelling of 13663379 in words is "thirteen million, six hundred sixty-three thousand, three hundred seventy-nine".