13779363 has 8 divisors (see below), whose sum is σ = 19785808. Its totient is φ = 8479584.

The previous prime is 13779347. The next prime is 13779377. The reversal of 13779363 is 36397731.

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

It is not a de Polignac number, because 13779363 - 2⁴ = 13779347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 353317 = 13779363 / (1 + 3 + 7 + 7 + 9 + 3 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13779383) 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, 176620 + ... + 176697.

It is an arithmetic number, because the mean of its divisors is an integer number (2473226).

Almost surely, 2^13779363 is an apocalyptic number.

13779363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13779363 is a deficient number, since it is larger than the sum of its proper divisors (6006445).

13779363 is a wasteful number, since it uses less digits than its factorization.

13779363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353333.

The product of its digits is 71442, while the sum is 39.

The square root of 13779363 is about 3712.0564381485. The cubic root of 13779363 is about 239.7414054982.

It can be divided in two parts, 13 and 779363, that added together give a triangular number (779376 = T₁₂₄₈).

The spelling of 13779363 in words is "thirteen million, seven hundred seventy-nine thousand, three hundred sixty-three".