11481012 has 18 divisors (see below), whose sum is σ = 29021538. Its totient is φ = 3826992.

The previous prime is 11481007. The next prime is 11481023. The reversal of 11481012 is 21018411.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 3663396 = 2796^2 + 1914^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159423 + ... + 159494.

Almost surely, 2^11481012 is an apocalyptic number.

11481012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11481012 is an abundant number, since it is smaller than the sum of its proper divisors (17540526).

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

11481012 is a wasteful number, since it uses less digits than its factorization.

11481012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318927 (or 318922 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11481012 is about 3388.3642071064. The cubic root of 11481012 is about 225.5935734551.

Adding to 11481012 its reverse (21018411), we get a palindrome (32499423).

The spelling of 11481012 in words is "eleven million, four hundred eighty-one thousand, twelve".