12149574 has 12 divisors (see below), whose sum is σ = 24316236. Its totient is φ = 4047012.

The previous prime is 12149567. The next prime is 12149587. The reversal of 12149574 is 47594121.

It is a happy number.

12149574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12149574² = 295224296762952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7827 + ... + 9249.

It is an arithmetic number, because the mean of its divisors is an integer number (2026353).

Almost surely, 2^12149574 is an apocalyptic number.

12149574 is an abundant number, since it is smaller than the sum of its proper divisors (12166662).

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

12149574 is an frugal number, since it uses more digits than its factorization.

12149574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 1428 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 12149574 is about 3485.6239039805. The cubic root of 12149574 is about 229.8901428733.

The spelling of 12149574 in words is "twelve million, one hundred forty-nine thousand, five hundred seventy-four".