13914749 has 4 divisors (see below), whose sum is σ = 14105436. Its totient is φ = 13724064.

The previous prime is 13914743. The next prime is 13914763. The reversal of 13914749 is 94741931.

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 7739524 + 6175225 = 2782^2 + 2485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13914749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13914743) 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 3 ways as a sum of consecutive naturals, for example, 95234 + ... + 95379.

It is an arithmetic number, because the mean of its divisors is an integer number (3526359).

Almost surely, 2^13914749 is an apocalyptic number.

It is an amenable number.

13914749 is a deficient number, since it is larger than the sum of its proper divisors (190687).

13914749 is an equidigital number, since it uses as much as digits as its factorization.

13914749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190686.

The product of its digits is 27216, while the sum is 38.

The square root of 13914749 is about 3730.2478469935. The cubic root of 13914749 is about 240.5240228250.

The spelling of 13914749 in words is "thirteen million, nine hundred fourteen thousand, seven hundred forty-nine".