12109374 has 12 divisors (see below), whose sum is σ = 26237016. Its totient is φ = 4036452.

The previous prime is 12109369. The next prime is 12109381. The reversal of 12109374 is 47390121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336354 + ... + 336389.

It is an arithmetic number, because the mean of its divisors is an integer number (2186418).

Almost surely, 2^12109374 is an apocalyptic number.

12109374 is an abundant number, since it is smaller than the sum of its proper divisors (14127642).

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

12109374 is a wasteful number, since it uses less digits than its factorization.

12109374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672751 (or 672748 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12109374 is about 3479.8525830845. The cubic root of 12109374 is about 229.6363124306.

Adding to 12109374 its reverse (47390121), we get a palindrome (59499495).

The spelling of 12109374 in words is "twelve million, one hundred nine thousand, three hundred seventy-four".