12150973 has 4 divisors (see below), whose sum is σ = 12190108. Its totient is φ = 12111840.

The previous prime is 12150967. The next prime is 12150989. The reversal of 12150973 is 37905121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37905121 = 17 ⋅2229713.

It can be written as a sum of positive squares in 2 ways, for example, as 2683044 + 9467929 = 1638^2 + 3077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12150973 is a prime.

It is a super-2 number, since 2×12150973² = 295292289693458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19098 + ... + 19723.

It is an arithmetic number, because the mean of its divisors is an integer number (3047527).

Almost surely, 2^12150973 is an apocalyptic number.

It is an amenable number.

12150973 is a deficient number, since it is larger than the sum of its proper divisors (39135).

12150973 is an equidigital number, since it uses as much as digits as its factorization.

12150973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39134.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12150973 is about 3485.8245796368. The cubic root of 12150973 is about 229.8989663368.

The spelling of 12150973 in words is "twelve million, one hundred fifty thousand, nine hundred seventy-three".