12150985 has 32 divisors (see below), whose sum is σ = 18692352. Its totient is φ = 7361280.

The previous prime is 12150967. The next prime is 12150989. The reversal of 12150985 is 58905121.

12150985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12150985 - 2⁵ = 12150953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12150989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13819 + ... + 14671.

It is an arithmetic number, because the mean of its divisors is an integer number (584136).

Almost surely, 2^12150985 is an apocalyptic number.

It is an amenable number.

12150985 is a deficient number, since it is larger than the sum of its proper divisors (6541367).

12150985 is a wasteful number, since it uses less digits than its factorization.

12150985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 12150985 is about 3485.8263008934. The cubic root of 12150985 is about 229.8990420176.

The spelling of 12150985 in words is "twelve million, one hundred fifty thousand, nine hundred eighty-five".