13419999 has 20 divisors (see below), whose sum is σ = 20518696. Its totient is φ = 8736336.

The previous prime is 13419949. The next prime is 13420003. The reversal of 13419999 is 99991431.

It is not a de Polignac number, because 13419999 - 2⁸ = 13419743 is a prime.

It is a Duffinian number.

13419999 is a modest number, since divided by 9999 gives 1341 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13419929) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1557 + ... + 5409.

Almost surely, 2^13419999 is an apocalyptic number.

13419999 is a deficient number, since it is larger than the sum of its proper divisors (7098697).

13419999 is an equidigital number, since it uses as much as digits as its factorization.

13419999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908 (or 3899 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 13419999 is about 3663.3316803151. The cubic root of 13419999 is about 237.6388787006.

The spelling of 13419999 in words is "thirteen million, four hundred nineteen thousand, nine hundred ninety-nine".