13379691 has 16 divisors (see below), whose sum is σ = 19577376. Its totient is φ = 8077056.

The previous prime is 13379689. The next prime is 13379711. The reversal of 13379691 is 19697331.

It is not a de Polignac number, because 13379691 - 2¹ = 13379689 is a prime.

It is a super-3 number, since 3×13379691³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13379621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (1223586).

Almost surely, 2^13379691 is an apocalyptic number.

13379691 is a deficient number, since it is larger than the sum of its proper divisors (6197685).

13379691 is a wasteful number, since it uses less digits than its factorization.

13379691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542.

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

The square root of 13379691 is about 3657.8259936744. The cubic root of 13379691 is about 237.4007178750.

The spelling of 13379691 in words is "thirteen million, three hundred seventy-nine thousand, six hundred ninety-one".