11974540 has 12 divisors (see below), whose sum is σ = 25146576. Its totient is φ = 4789808.

The previous prime is 11974537. The next prime is 11974561. The reversal of 11974540 is 4547911.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299344 + ... + 299383.

It is an arithmetic number, because the mean of its divisors is an integer number (2095548).

Almost surely, 2^11974540 is an apocalyptic number.

11974540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11974540 is an abundant number, since it is smaller than the sum of its proper divisors (13172036).

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

11974540 is a wasteful number, since it uses less digits than its factorization.

11974540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598736 (or 598734 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 11974540 is about 3460.4248294104. The cubic root of 11974540 is about 228.7808203966.

The spelling of 11974540 in words is "eleven million, nine hundred seventy-four thousand, five hundred forty".