12456830 has 8 divisors (see below), whose sum is σ = 22422312. Its totient is φ = 4982728.

The previous prime is 12456817. The next prime is 12456877. The reversal of 12456830 is 3865421.

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

It is a super-2 number, since 2×12456830² = 310345227297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12456793 and 12456802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622832 + ... + 622851.

It is an arithmetic number, because the mean of its divisors is an integer number (2802789).

Almost surely, 2^12456830 is an apocalyptic number.

12456830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12456830 is a deficient number, since it is larger than the sum of its proper divisors (9965482).

12456830 is a wasteful number, since it uses less digits than its factorization.

12456830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245690.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12456830 is about 3529.4234656669. The cubic root of 12456830 is about 231.8119636700.

The spelling of 12456830 in words is "twelve million, four hundred fifty-six thousand, eight hundred thirty".