12249750 has 32 divisors (see below), whose sum is σ = 30577248. Its totient is φ = 3266400.

The previous prime is 12249749. The next prime is 12249761. The reversal of 12249750 is 5794221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7417 + ... + 8916.

It is an arithmetic number, because the mean of its divisors is an integer number (955539).

Almost surely, 2^12249750 is an apocalyptic number.

12249750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12249750 is an abundant number, since it is smaller than the sum of its proper divisors (18327498).

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

12249750 is a wasteful number, since it uses less digits than its factorization.

12249750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16353 (or 16343 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12249750 is about 3499.9642855321. The cubic root of 12249750 is about 230.5202464166.

The spelling of 12249750 in words is "twelve million, two hundred forty-nine thousand, seven hundred fifty".