11262540 has 48 divisors (see below), whose sum is σ = 31685472. Its totient is φ = 2989056.

The previous prime is 11262539. The next prime is 11262557. The reversal of 11262540 is 4526211.

11262540 = 511² + 512² + ... + 550².

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19942 + ... + 20498.

It is an arithmetic number, because the mean of its divisors is an integer number (660114).

Almost surely, 2^11262540 is an apocalyptic number.

11262540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11262540 is an abundant number, since it is smaller than the sum of its proper divisors (20422932).

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

11262540 is a wasteful number, since it uses less digits than its factorization.

11262540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11262540 is about 3355.9707984427. The cubic root of 11262540 is about 224.1534609548.

Adding to 11262540 its reverse (4526211), we get a palindrome (15788751).

The spelling of 11262540 in words is "eleven million, two hundred sixty-two thousand, five hundred forty".