12946470 has 64 divisors (see below), whose sum is σ = 33592320. Its totient is φ = 3183488.

The previous prime is 12946463. The next prime is 12946471. The reversal of 12946470 is 7464921.

12946470 = T₃₄₈ + T₃₄₉ + ... + T₄₉₂.

It is a happy number.

It is a super-2 number, since 2×12946470² = 335222170921800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12946471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19687 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 2^12946470 is an apocalyptic number.

12946470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12946470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16796160).

12946470 is an abundant number, since it is smaller than the sum of its proper divisors (20645850).

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

12946470 is a wasteful number, since it uses less digits than its factorization.

12946470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12946470 is about 3598.1203426234. The cubic root of 12946470 is about 234.8102890219.

The spelling of 12946470 in words is "twelve million, nine hundred forty-six thousand, four hundred seventy".