11306040 has 64 divisors (see below), whose sum is σ = 34421760. Its totient is φ = 2970240.

The previous prime is 11306039. The next prime is 11306047. The reversal of 11306040 is 4060311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11306047) 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, 7857 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

Almost surely, 2^11306040 is an apocalyptic number.

11306040 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 11306040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17210880).

11306040 is an abundant number, since it is smaller than the sum of its proper divisors (23115720).

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

11306040 is a wasteful number, since it uses less digits than its factorization.

11306040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11306040 is about 3362.4455385924. The cubic root of 11306040 is about 224.4416774340.

Adding to 11306040 its reverse (4060311), we get a palindrome (15366351).

The spelling of 11306040 in words is "eleven million, three hundred six thousand, forty".