12457470 has 32 divisors (see below), whose sum is σ = 30264192. Its totient is φ = 3281312.

The previous prime is 12457457. The next prime is 12457499. The reversal of 12457470 is 7475421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (945756).

Almost surely, 2^12457470 is an apocalyptic number.

12457470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12457470 is an abundant number, since it is smaller than the sum of its proper divisors (17806722).

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

12457470 is a wasteful number, since it uses less digits than its factorization.

12457470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 12457470 is about 3529.5141308684. The cubic root of 12457470 is about 231.8159335702.

The spelling of 12457470 in words is "twelve million, four hundred fifty-seven thousand, four hundred seventy".