12450643 has 8 divisors (see below), whose sum is σ = 13139600. Its totient is φ = 11765088.

The previous prime is 12450619. The next prime is 12450653. The reversal of 12450643 is 34605421.

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 12450643 - 2⁹ = 12450131 is a prime.

It is a super-2 number, since 2×12450643² = 310037022226898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12450653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11113 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (1642450).

Almost surely, 2^12450643 is an apocalyptic number.

12450643 is a deficient number, since it is larger than the sum of its proper divisors (688957).

12450643 is a wasteful number, since it uses less digits than its factorization.

12450643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12450643 is about 3528.5468680464. The cubic root of 12450643 is about 231.7735788874.

The spelling of 12450643 in words is "twelve million, four hundred fifty thousand, six hundred forty-three".