11974550 has 24 divisors (see below), whose sum is σ = 25455216. Its totient is φ = 4105440.

The previous prime is 11974537. The next prime is 11974561. The reversal of 11974550 is 5547911.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16757 + ... + 17456.

It is an arithmetic number, because the mean of its divisors is an integer number (1060634).

Almost surely, 2^11974550 is an apocalyptic number.

11974550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11974550 is an abundant number, since it is smaller than the sum of its proper divisors (13480666).

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

11974550 is a wasteful number, since it uses less digits than its factorization.

11974550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34232 (or 34227 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 11974550 is about 3460.4262743194. The cubic root of 11974550 is about 228.7808840819.

The spelling of 11974550 in words is "eleven million, nine hundred seventy-four thousand, five hundred fifty".