13379999 has 2 divisors, whose sum is σ = 13380000. Its totient is φ = 13379998.

The previous prime is 13379983. The next prime is 13380023. The reversal of 13379999 is 99997331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13379999 - 2⁴ = 13379983 is a prime.

It is a Chen prime.

13379999 is a modest number, since divided by 9999 gives 1337 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13379939) 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 as a sum of consecutive naturals, namely, 6689999 + 6690000.

It is an arithmetic number, because the mean of its divisors is an integer number (6690000).

Almost surely, 2^13379999 is an apocalyptic number.

13379999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13379999 is an equidigital number, since it uses as much as digits as its factorization.

13379999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 413343, while the sum is 50.

The square root of 13379999 is about 3657.8680949427. The cubic root of 13379999 is about 237.4025395130.

The spelling of 13379999 in words is "thirteen million, three hundred seventy-nine thousand, nine hundred ninety-nine".