13419684 has 18 divisors (see below), whose sum is σ = 33922070. Its totient is φ = 4473216.

The previous prime is 13419673. The next prime is 13419691. The reversal of 13419684 is 48691431.

It can be written as a sum of positive squares in only one way, i.e., 12960000 + 459684 = 3600^2 + 678^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 372769 = 13419684 / (1 + 3 + 4 + 1 + 9 + 6 + 8 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186349 + ... + 186420.

Almost surely, 2^13419684 is an apocalyptic number.

It is an amenable number.

13419684 is an abundant number, since it is smaller than the sum of its proper divisors (20502386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13419684 is a wasteful number, since it uses less digits than its factorization.

13419684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372779 (or 372774 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13419684 is about 3663.2886864128. The cubic root of 13419684 is about 237.6370193654.

It can be divided in two parts, 1341 and 9684, that added together give a square (11025 = 105²).

The spelling of 13419684 in words is "thirteen million, four hundred nineteen thousand, six hundred eighty-four".