13403750 has 20 divisors (see below), whose sum is σ = 25126332. Its totient is φ = 5361000.

The previous prime is 13403743. The next prime is 13403777. The reversal of 13403750 is 5730431.

It is a happy number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4112 + ... + 6611.

Almost surely, 2^13403750 is an apocalyptic number.

13403750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13403750 is a deficient number, since it is larger than the sum of its proper divisors (11722582).

13403750 is an equidigital number, since it uses as much as digits as its factorization.

13403750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10745 (or 10730 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 13403750 is about 3661.1132186809. The cubic root of 13403750 is about 237.5429285282.

The spelling of 13403750 in words is "thirteen million, four hundred three thousand, seven hundred fifty".