13949750 has 16 divisors (see below), whose sum is σ = 26114400. Its totient is φ = 5579800.

The previous prime is 13949729. The next prime is 13949779. The reversal of 13949750 is 5794931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27650 + ... + 28149.

It is an arithmetic number, because the mean of its divisors is an integer number (1632150).

Almost surely, 2^13949750 is an apocalyptic number.

13949750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13949750 is a deficient number, since it is larger than the sum of its proper divisors (12164650).

13949750 is an equidigital number, since it uses as much as digits as its factorization.

13949750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55816 (or 55806 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 13949750 is about 3734.9364117746. The cubic root of 13949750 is about 240.7255244236.

The spelling of 13949750 in words is "thirteen million, nine hundred forty-nine thousand, seven hundred fifty".