11148740 has 24 divisors (see below), whose sum is σ = 23488920. Its totient is φ = 4444928.

The previous prime is 11148737. The next prime is 11148743. The reversal of 11148740 is 4784111.

It is an interprime number because it is at equal distance from previous prime (11148737) and next prime (11148743).

It can be written as a sum of positive squares in 4 ways, for example, as 1401856 + 9746884 = 1184^2 + 3122^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11148743) 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, 7064 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (978705).

Almost surely, 2^11148740 is an apocalyptic number.

11148740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11148740 is an abundant number, since it is smaller than the sum of its proper divisors (12340180).

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

11148740 is a wasteful number, since it uses less digits than its factorization.

11148740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 11148740 is about 3338.9728959667. The cubic root of 11148740 is about 223.3959330471.

The spelling of 11148740 in words is "eleven million, one hundred forty-eight thousand, seven hundred forty".