13872849 has 8 divisors (see below), whose sum is σ = 18890880. Its totient is φ = 9051696.

The previous prime is 13872829. The next prime is 13872851. The reversal of 13872849 is 94827831.

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

It is not a de Polignac number, because 13872849 - 2¹⁵ = 13840081 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13872849.

It is not an unprimeable number, because it can be changed into a prime (13872809) 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, 49054 + ... + 49335.

It is an arithmetic number, because the mean of its divisors is an integer number (2361360).

Almost surely, 2^13872849 is an apocalyptic number.

It is an amenable number.

13872849 is a deficient number, since it is larger than the sum of its proper divisors (5018031).

13872849 is an equidigital number, since it uses as much as digits as its factorization.

13872849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98439.

The product of its digits is 96768, while the sum is 42.

The square root of 13872849 is about 3724.6273639117. The cubic root of 13872849 is about 240.2823586486.

The spelling of 13872849 in words is "thirteen million, eight hundred seventy-two thousand, eight hundred forty-nine".