13642849 has 8 divisors (see below), whose sum is σ = 14949792. Its totient is φ = 12347040.

The previous prime is 13642807. The next prime is 13642859. The reversal of 13642849 is 94824631.

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

It is a cyclic number.

It is not a de Polignac number, because 13642849 - 2⁹ = 13642337 is a prime.

It is a super-2 number, since 2×13642849² = 372254657673602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13642859) 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, 99 + ... + 5224.

It is an arithmetic number, because the mean of its divisors is an integer number (1868724).

Almost surely, 2^13642849 is an apocalyptic number.

It is an amenable number.

13642849 is a deficient number, since it is larger than the sum of its proper divisors (1306943).

13642849 is a wasteful number, since it uses less digits than its factorization.

13642849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567.

The product of its digits is 41472, while the sum is 37.

The square root of 13642849 is about 3693.6227473850. The cubic root of 13642849 is about 238.9470596957.

The spelling of 13642849 in words is "thirteen million, six hundred forty-two thousand, eight hundred forty-nine".