11974545 has 48 divisors (see below), whose sum is σ = 23991552. Its totient is φ = 5460480.

The previous prime is 11974537. The next prime is 11974561. The reversal of 11974545 is 54547911.

It is not a de Polignac number, because 11974545 - 2³ = 11974537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7704 + ... + 9126.

It is an arithmetic number, because the mean of its divisors is an integer number (499824).

Almost surely, 2^11974545 is an apocalyptic number.

11974545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11974545 is an abundant number, since it is smaller than the sum of its proper divisors (12017007).

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

11974545 is a wasteful number, since it uses less digits than its factorization.

11974545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1459 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 11974545 is about 3460.4255518650. The cubic root of 11974545 is about 228.7808522393.

The spelling of 11974545 in words is "eleven million, nine hundred seventy-four thousand, five hundred forty-five".