13863049 has 4 divisors (see below), whose sum is σ = 14237764. Its totient is φ = 13488336.

The previous prime is 13863029. The next prime is 13863097. The reversal of 13863049 is 94036831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12027024 + 1836025 = 3468^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13863049 - 2¹⁵ = 13830281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13863029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187302 + ... + 187375.

It is an arithmetic number, because the mean of its divisors is an integer number (3559441).

Almost surely, 2^13863049 is an apocalyptic number.

It is an amenable number.

13863049 is a deficient number, since it is larger than the sum of its proper divisors (374715).

13863049 is an equidigital number, since it uses as much as digits as its factorization.

13863049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374714.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13863049 is about 3723.3115636487. The cubic root of 13863049 is about 240.2257655673.

The spelling of 13863049 in words is "thirteen million, eight hundred sixty-three thousand, forty-nine".