13642750 has 64 divisors (see below), whose sum is σ = 28776384. Its totient is φ = 4840000.

The previous prime is 13642723. The next prime is 13642753. The reversal of 13642750 is 5724631.

It is a super-2 number, since 2×13642750² = 372249255125000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332730 + ... + 332770.

It is an arithmetic number, because the mean of its divisors is an integer number (449631).

Almost surely, 2^13642750 is an apocalyptic number.

13642750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13642750 is an abundant number, since it is smaller than the sum of its proper divisors (15133634).

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

13642750 is an equidigital number, since it uses as much as digits as its factorization.

13642750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 13642750 is about 3693.6093458838. The cubic root of 13642750 is about 238.9464817173.

It can be divided in two parts, 1364 and 2750, that added together give a palindrome (4114).

The spelling of 13642750 in words is "thirteen million, six hundred forty-two thousand, seven hundred fifty".