13973750 has 40 divisors (see below), whose sum is σ = 29952912. Its totient is φ = 4788000.

The previous prime is 13973749. The next prime is 13973761. The reversal of 13973750 is 5737931.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13973750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7952 + ... + 9548.

Almost surely, 2^13973750 is an apocalyptic number.

13973750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13973750 is an abundant number, since it is smaller than the sum of its proper divisors (15979162).

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

13973750 is an equidigital number, since it uses as much as digits as its factorization.

13973750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 13973750 is about 3738.1479371475. The cubic root of 13973750 is about 240.8634982816.

The spelling of 13973750 in words is "thirteen million, nine hundred seventy-three thousand, seven hundred fifty".