12150740 has 48 divisors (see below), whose sum is σ = 29366400. Its totient is φ = 4136832.

The previous prime is 12150713. The next prime is 12150751. The reversal of 12150740 is 4705121.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 31871 + ... + 32249.

It is an arithmetic number, because the mean of its divisors is an integer number (611800).

Almost surely, 2^12150740 is an apocalyptic number.

12150740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12150740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14683200).

12150740 is an abundant number, since it is smaller than the sum of its proper divisors (17215660).

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

12150740 is a wasteful number, since it uses less digits than its factorization.

12150740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12150740 is about 3485.7911584029. The cubic root of 12150740 is about 229.8974968577.

Adding to 12150740 its reverse (4705121), we get a palindrome (16855861).

The spelling of 12150740 in words is "twelve million, one hundred fifty thousand, seven hundred forty".