12261970 has 32 divisors (see below), whose sum is σ = 25660800. Its totient is φ = 4131456.

The previous prime is 12261961. The next prime is 12262021. The reversal of 12261970 is 7916221.

It is a happy number.

12261970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2646 + ... + 5614.

It is an arithmetic number, because the mean of its divisors is an integer number (801900).

Almost surely, 2^12261970 is an apocalyptic number.

12261970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12261970 is an abundant number, since it is smaller than the sum of its proper divisors (13398830).

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

12261970 is a wasteful number, since it uses less digits than its factorization.

12261970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12261970 is about 3501.7095824754. The cubic root of 12261970 is about 230.5968744084.

It can be divided in two parts, 12261 and 970, that added together give a palindrome (13231).

The spelling of 12261970 in words is "twelve million, two hundred sixty-one thousand, nine hundred seventy".