13949950 has 24 divisors (see below), whose sum is σ = 29654352. Its totient is φ = 4782720.

The previous prime is 13949941. The next prime is 13949951. The reversal of 13949950 is 5994931.

It is a super-2 number, since 2×13949950² = 389202210005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13949951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19579 + ... + 20278.

It is an arithmetic number, because the mean of its divisors is an integer number (1235598).

Almost surely, 2^13949950 is an apocalyptic number.

13949950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13949950 is an abundant number, since it is smaller than the sum of its proper divisors (15704402).

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

13949950 is a wasteful number, since it uses less digits than its factorization.

13949950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39876 (or 39871 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 13949950 is about 3734.9631858962. The cubic root of 13949950 is about 240.7266748594.

The spelling of 13949950 in words is "thirteen million, nine hundred forty-nine thousand, nine hundred fifty".