13641078 has 32 divisors (see below), whose sum is σ = 30792960. Its totient is φ = 3990560.

The previous prime is 13641077. The next prime is 13641079. The reversal of 13641078 is 87014631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13641077) and next prime (13641079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641073) 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, 1650 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 2^13641078 is an apocalyptic number.

13641078 is an abundant number, since it is smaller than the sum of its proper divisors (17151882).

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

13641078 is a wasteful number, since it uses less digits than its factorization.

13641078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7172.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13641078 is about 3693.3830020728. The cubic root of 13641078 is about 238.9367198819.

It can be divided in two parts, 1364 and 1078, that added together give a palindrome (2442).

The spelling of 13641078 in words is "thirteen million, six hundred forty-one thousand, seventy-eight".