11801250 has 60 divisors (see below), whose sum is σ = 31981950. Its totient is φ = 3144000.

The previous prime is 11801233. The next prime is 11801263. The reversal of 11801250 is 5210811.

It can be written as a sum of positive squares in 5 ways, for example, as 1361889 + 10439361 = 1167^2 + 3231^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 10726 + ... + 11774.

Almost surely, 2^11801250 is an apocalyptic number.

11801250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11801250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15990975).

11801250 is an abundant number, since it is smaller than the sum of its proper divisors (20180700).

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

11801250 is a wasteful number, since it uses less digits than its factorization.

11801250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 11801250 is about 3435.2947471796. The cubic root of 11801250 is about 227.6718501888.

The spelling of 11801250 in words is "eleven million, eight hundred one thousand, two hundred fifty".