14920749 has 6 divisors (see below), whose sum is σ = 21552206. Its totient is φ = 9947160.

The previous prime is 14920739. The next prime is 14920751. The reversal of 14920749 is 94702941.

It can be written as a sum of positive squares in only one way, i.e., 14768649 + 152100 = 3843^2 + 390^2 .

It is not a de Polignac number, because 14920749 - 2¹⁵ = 14887981 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 (14920709) 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 5 ways as a sum of consecutive naturals, for example, 828922 + ... + 828939.

Almost surely, 2^14920749 is an apocalyptic number.

It is an amenable number.

14920749 is a deficient number, since it is larger than the sum of its proper divisors (6631457).

14920749 is a wasteful number, since it uses less digits than its factorization.

14920749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657867 (or 1657864 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 14920749 is about 3862.7385363237. The cubic root of 14920749 is about 246.1861074328.

The spelling of 14920749 in words is "fourteen million, nine hundred twenty thousand, seven hundred forty-nine".