13849937 has 4 divisors (see below), whose sum is σ = 13894500. Its totient is φ = 13805376.

The previous prime is 13849931. The next prime is 13849943. The reversal of 13849937 is 73994831.

It is a happy number.

13849937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (13849931) and next prime (13849943).

It can be written as a sum of positive squares in 2 ways, for example, as 130321 + 13719616 = 361^2 + 3704^2 .

It is a cyclic number.

It is not a de Polignac number, because 13849937 - 2⁴ = 13849921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13849931) 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, 21812 + ... + 22437.

It is an arithmetic number, because the mean of its divisors is an integer number (3473625).

Almost surely, 2^13849937 is an apocalyptic number.

It is an amenable number.

13849937 is a deficient number, since it is larger than the sum of its proper divisors (44563).

13849937 is an equidigital number, since it uses as much as digits as its factorization.

13849937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44562.

The product of its digits is 163296, while the sum is 44.

The square root of 13849937 is about 3721.5503489809. The cubic root of 13849937 is about 240.1500046043.

The spelling of 13849937 in words is "thirteen million, eight hundred forty-nine thousand, nine hundred thirty-seven".