13830649 has 8 divisors (see below), whose sum is σ = 16174400. Its totient is φ = 11578896.

The previous prime is 13830631. The next prime is 13830667. The reversal of 13830649 is 94603831.

13830649 = 546² + 547² + ... + 588².

It is an interprime number because it is at equal distance from previous prime (13830631) and next prime (13830667).

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

It is not a de Polignac number, because 13830649 - 2⁵ = 13830617 is a prime.

It is a super-2 number, since 2×13830649² = 382573703522402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13830629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22674 + ... + 23275.

It is an arithmetic number, because the mean of its divisors is an integer number (2021800).

Almost surely, 2^13830649 is an apocalyptic number.

It is an amenable number.

13830649 is a deficient number, since it is larger than the sum of its proper divisors (2343751).

13830649 is an equidigital number, since it uses as much as digits as its factorization.

13830649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45999.

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

The square root of 13830649 is about 3718.9580530036. The cubic root of 13830649 is about 240.0384718419.

The spelling of 13830649 in words is "thirteen million, eight hundred thirty thousand, six hundred forty-nine".