11263780 has 24 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 4095840.

The previous prime is 11263753. The next prime is 11263781. The reversal of 11263780 is 8736211.

11263780 = T₁₅₀ + T₁₅₁ + ... + T₄₁₃.

It is not an unprimeable number, because it can be changed into a prime (11263781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25380 + ... + 25819.

It is an arithmetic number, because the mean of its divisors is an integer number (1075200).

Almost surely, 2^11263780 is an apocalyptic number.

11263780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11263780 is an abundant number, since it is smaller than the sum of its proper divisors (14541020).

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

11263780 is a wasteful number, since it uses less digits than its factorization.

11263780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51219 (or 51217 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11263780 is about 3356.1555387079. The cubic root of 11263780 is about 224.1616870474.

Adding to 11263780 its reverse (8736211), we get a palindrome (19999991).

The spelling of 11263780 in words is "eleven million, two hundred sixty-three thousand, seven hundred eighty".