12387470 has 8 divisors (see below), whose sum is σ = 22297464. Its totient is φ = 4954984.

The previous prime is 12387451. The next prime is 12387481. The reversal of 12387470 is 7478321.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619364 + ... + 619383.

It is an arithmetic number, because the mean of its divisors is an integer number (2787183).

Almost surely, 2^12387470 is an apocalyptic number.

12387470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12387470 is a deficient number, since it is larger than the sum of its proper divisors (9909994).

12387470 is a wasteful number, since it uses less digits than its factorization.

12387470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238754.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 12387470 is about 3519.5837822106. The cubic root of 12387470 is about 231.3809173479.

The spelling of 12387470 in words is "twelve million, three hundred eighty-seven thousand, four hundred seventy".