11262780 has 48 divisors (see below), whose sum is σ = 35041440. Its totient is φ = 3003264.

The previous prime is 11262773. The next prime is 11262787. The reversal of 11262780 is 8726211.

It is an interprime number because it is at equal distance from previous prime (11262773) and next prime (11262787).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11262787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9889 + ... + 10968.

It is an arithmetic number, because the mean of its divisors is an integer number (730030).

Almost surely, 2^11262780 is an apocalyptic number.

11262780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11262780 is an abundant number, since it is smaller than the sum of its proper divisors (23778660).

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

11262780 is a wasteful number, since it uses less digits than its factorization.

11262780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20875 (or 20867 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 11262780 is about 3356.0065554167. The cubic root of 11262780 is about 224.1550531489.

Adding to 11262780 its reverse (8726211), we get a palindrome (19988991).

The spelling of 11262780 in words is "eleven million, two hundred sixty-two thousand, seven hundred eighty".