13849970 has 16 divisors (see below), whose sum is σ = 25282368. Its totient is φ = 5461680.

The previous prime is 13849943. The next prime is 13849991. The reversal of 13849970 is 7994831.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 9044 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (1580148).

Almost surely, 2^13849970 is an apocalyptic number.

13849970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13849970 is a deficient number, since it is larger than the sum of its proper divisors (11432398).

13849970 is a wasteful number, since it uses less digits than its factorization.

13849970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19585.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 13849970 is about 3721.5547826144. The cubic root of 13849970 is about 240.1501953379.

The spelling of 13849970 in words is "thirteen million, eight hundred forty-nine thousand, nine hundred seventy".