11972450 has 48 divisors (see below), whose sum is σ = 25831680. Its totient is φ = 4043520.

The previous prime is 11972407. The next prime is 11972459. The reversal of 11972450 is 5427911.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11972459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27434 + ... + 27866.

It is an arithmetic number, because the mean of its divisors is an integer number (538160).

Almost surely, 2^11972450 is an apocalyptic number.

11972450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11972450 is an abundant number, since it is smaller than the sum of its proper divisors (13859230).

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

11972450 is a wasteful number, since it uses less digits than its factorization.

11972450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 11972450 is about 3460.1228301897. The cubic root of 11972450 is about 228.7675093846.

The spelling of 11972450 in words is "eleven million, nine hundred seventy-two thousand, four hundred fifty".