12374521 has 8 divisors (see below), whose sum is σ = 13318344. Its totient is φ = 11454720.

The previous prime is 12374507. The next prime is 12374543. The reversal of 12374521 is 12547321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2134521 + 10240000 = 1461^2 + 3200^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12374521 - 2⁷ = 12374393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12374321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 7003.

It is an arithmetic number, because the mean of its divisors is an integer number (1664793).

Almost surely, 2^12374521 is an apocalyptic number.

It is an amenable number.

12374521 is a deficient number, since it is larger than the sum of its proper divisors (943823).

12374521 is a wasteful number, since it uses less digits than its factorization.

12374521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011.

The product of its digits is 1680, while the sum is 25.

The square root of 12374521 is about 3517.7437371133. The cubic root of 12374521 is about 231.3002660635.

The spelling of 12374521 in words is "twelve million, three hundred seventy-four thousand, five hundred twenty-one".