13983550 has 24 divisors (see below), whose sum is σ = 29725776. Its totient is φ = 4794240.

The previous prime is 13983547. The next prime is 13983559. The reversal of 13983550 is 5538931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13983559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19627 + ... + 20326.

It is an arithmetic number, because the mean of its divisors is an integer number (1238574).

Almost surely, 2^13983550 is an apocalyptic number.

13983550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13983550 is an abundant number, since it is smaller than the sum of its proper divisors (15742226).

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

13983550 is a wasteful number, since it uses less digits than its factorization.

13983550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39972 (or 39967 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 13983550 is about 3739.4585169514. The cubic root of 13983550 is about 240.9197921824.

The spelling of 13983550 in words is "thirteen million, nine hundred eighty-three thousand, five hundred fifty".