11162740 has 24 divisors (see below), whose sum is σ = 23514120. Its totient is φ = 4451328.

The previous prime is 11162737. The next prime is 11162743. The reversal of 11162740 is 4726111.

It is an interprime number because it is at equal distance from previous prime (11162737) and next prime (11162743).

It can be written as a sum of positive squares in 4 ways, for example, as 781456 + 10381284 = 884^2 + 3222^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11162743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8016 + ... + 9304.

It is an arithmetic number, because the mean of its divisors is an integer number (979755).

Almost surely, 2^11162740 is an apocalyptic number.

11162740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11162740 is an abundant number, since it is smaller than the sum of its proper divisors (12351380).

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

11162740 is a wasteful number, since it uses less digits than its factorization.

11162740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11162740 is about 3341.0686913022. The cubic root of 11162740 is about 223.4894035451.

Adding to 11162740 its reverse (4726111), we get a palindrome (15888851).

The spelling of 11162740 in words is "eleven million, one hundred sixty-two thousand, seven hundred forty".