14947749 has 12 divisors (see below), whose sum is σ = 21999276. Its totient is φ = 9776832.

The previous prime is 14947747. The next prime is 14947783. The reversal of 14947749 is 94774941.

It can be written as a sum of positive squares in 2 ways, for example, as 12830724 + 2117025 = 3582^2 + 1455^2 .

It is not a de Polignac number, because 14947749 - 2¹ = 14947747 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14947747) by changing a digit.

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, 15192 + ... + 16145.

It is an arithmetic number, because the mean of its divisors is an integer number (1833273).

Almost surely, 2^14947749 is an apocalyptic number.

It is an amenable number.

14947749 is a deficient number, since it is larger than the sum of its proper divisors (7051527).

14947749 is a wasteful number, since it uses less digits than its factorization.

14947749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31396 (or 31393 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 14947749 is about 3866.2318864755. The cubic root of 14947749 is about 246.3345141812.

The spelling of 14947749 in words is "fourteen million, nine hundred forty-seven thousand, seven hundred forty-nine".