13769391 has 4 divisors (see below), whose sum is σ = 18359192. Its totient is φ = 9179592.

The previous prime is 13769383. The next prime is 13769401. The reversal of 13769391 is 19396731.

13769391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13769391 - 2³ = 13769383 is a prime.

It is a super-2 number, since 2×13769391² = 379192257021762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294896 + ... + 2294901.

It is an arithmetic number, because the mean of its divisors is an integer number (4589798).

Almost surely, 2^13769391 is an apocalyptic number.

13769391 is a deficient number, since it is larger than the sum of its proper divisors (4589801).

13769391 is an equidigital number, since it uses as much as digits as its factorization.

13769391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589800.

The product of its digits is 30618, while the sum is 39.

The square root of 13769391 is about 3710.7130042621. The cubic root of 13769391 is about 239.6835586481.

The spelling of 13769391 in words is "thirteen million, seven hundred sixty-nine thousand, three hundred ninety-one".