12845470 has 32 divisors (see below), whose sum is σ = 26044416. Its totient is φ = 4519200.

The previous prime is 12845461. The next prime is 12845471. The reversal of 12845470 is 7454821.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12845471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (813888).

Almost surely, 2^12845470 is an apocalyptic number.

12845470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12845470 is an abundant number, since it is smaller than the sum of its proper divisors (13198946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12845470 is a wasteful number, since it uses less digits than its factorization.

12845470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 12845470 is about 3584.0577562311. The cubic root of 12845470 is about 234.1980814788.

The spelling of 12845470 in words is "twelve million, eight hundred forty-five thousand, four hundred seventy".