13641879 has 8 divisors (see below), whose sum is σ = 18612352. Its totient is φ = 8883000.

The previous prime is 13641853. The next prime is 13641893. The reversal of 13641879 is 97814631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13641879 - 2⁵ = 13641847 is a prime.

It is a super-2 number, since 2×13641879² = 372201725301282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52747 + ... + 53004.

It is an arithmetic number, because the mean of its divisors is an integer number (2326544).

Almost surely, 2^13641879 is an apocalyptic number.

13641879 is a deficient number, since it is larger than the sum of its proper divisors (4970473).

13641879 is a wasteful number, since it uses less digits than its factorization.

13641879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105797.

The product of its digits is 36288, while the sum is 39.

The square root of 13641879 is about 3693.4914376508. The cubic root of 13641879 is about 238.9413965545.

The spelling of 13641879 in words is "thirteen million, six hundred forty-one thousand, eight hundred seventy-nine".