13849740 has 36 divisors (see below), whose sum is σ = 42011424. Its totient is φ = 3693216.

The previous prime is 13849739. The next prime is 13849751. The reversal of 13849740 is 4794831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13849695 and 13849704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38292 + ... + 38651.

It is an arithmetic number, because the mean of its divisors is an integer number (1166984).

Almost surely, 2^13849740 is an apocalyptic number.

13849740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13849740 is an abundant number, since it is smaller than the sum of its proper divisors (28161684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13849740 is a wasteful number, since it uses less digits than its factorization.

13849740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76958 (or 76953 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13849740 is about 3721.5238814228. The cubic root of 13849740 is about 240.1488659764.

The spelling of 13849740 in words is "thirteen million, eight hundred forty-nine thousand, seven hundred forty".