13641424 has 10 divisors (see below), whose sum is σ = 26430290. Its totient is φ = 6820704.

The previous prime is 13641413. The next prime is 13641431. The reversal of 13641424 is 42414631.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 1166400 = 3532^2 + 1080^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426279 + ... + 426310.

It is an arithmetic number, because the mean of its divisors is an integer number (2643029).

Almost surely, 2^13641424 is an apocalyptic number.

It is an amenable number.

13641424 is a deficient number, since it is larger than the sum of its proper divisors (12788866).

13641424 is an equidigital number, since it uses as much as digits as its factorization.

13641424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852597 (or 852591 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 13641424 is about 3693.4298423011. The cubic root of 13641424 is about 238.9387400401.

The spelling of 13641424 in words is "thirteen million, six hundred forty-one thousand, four hundred twenty-four".