10503780 has 96 divisors (see below), whose sum is σ = 34110720. Its totient is φ = 2365440.

The previous prime is 10503743. The next prime is 10503793. The reversal of 10503780 is 8730501.

It is a super-2 number, since 2×10503780² = 220658788576800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10503780.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37240 + ... + 37520.

It is an arithmetic number, because the mean of its divisors is an integer number (355320).

Almost surely, 2^10503780 is an apocalyptic number.

10503780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10503780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17055360).

10503780 is an abundant number, since it is smaller than the sum of its proper divisors (23606940).

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

10503780 is a wasteful number, since it uses less digits than its factorization.

10503780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 10503780 is about 3240.9535633822. The cubic root of 10503780 is about 219.0022309566.

The spelling of 10503780 in words is "ten million, five hundred three thousand, seven hundred eighty".