13705450 has 24 divisors (see below), whose sum is σ = 27810720. Its totient is φ = 4983600.

The previous prime is 13705427. The next prime is 13705457. The reversal of 13705450 is 5450731.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13705457) 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, 11910 + ... + 13009.

It is an arithmetic number, because the mean of its divisors is an integer number (1158780).

Almost surely, 2^13705450 is an apocalyptic number.

13705450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13705450 is an abundant number, since it is smaller than the sum of its proper divisors (14105270).

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

13705450 is a wasteful number, since it uses less digits than its factorization.

13705450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24942 (or 24937 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 13705450 is about 3702.0872491069. The cubic root of 13705450 is about 239.3119762412.

The spelling of 13705450 in words is "thirteen million, seven hundred five thousand, four hundred fifty".