12423770 has 32 divisors (see below), whose sum is σ = 23934528. Its totient is φ = 4626688.

The previous prime is 12423767. The next prime is 12423781. The reversal of 12423770 is 7732421.

It is a super-2 number, since 2×12423770² = 308700122025800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 17849 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (747954).

Almost surely, 2^12423770 is an apocalyptic number.

12423770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12423770 is a deficient number, since it is larger than the sum of its proper divisors (11510758).

12423770 is a wasteful number, since it uses less digits than its factorization.

12423770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 12423770 is about 3524.7368696117. The cubic root of 12423770 is about 231.6067083129.

The spelling of 12423770 in words is "twelve million, four hundred twenty-three thousand, seven hundred seventy".