11512740 has 48 divisors (see below), whose sum is σ = 34134912. Its totient is φ = 2889216.

The previous prime is 11512733. The next prime is 11512769. The reversal of 11512740 is 4721511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4624 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (711144).

Almost surely, 2^11512740 is an apocalyptic number.

11512740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11512740 is an abundant number, since it is smaller than the sum of its proper divisors (22622172).

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

11512740 is a wasteful number, since it uses less digits than its factorization.

11512740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316 (or 11314 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11512740 is about 3393.0428821340. The cubic root of 11512740 is about 225.8011930617.

The spelling of 11512740 in words is "eleven million, five hundred twelve thousand, seven hundred forty".