12937470 has 96 divisors (see below), whose sum is σ = 38955168. Its totient is φ = 2725632.

The previous prime is 12937469. The next prime is 12937471. The reversal of 12937470 is 7473921.

It is an interprime number because it is at equal distance from previous prime (12937469) and next prime (12937471).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18772 + ... + 19448.

It is an arithmetic number, because the mean of its divisors is an integer number (405783).

Almost surely, 2^12937470 is an apocalyptic number.

12937470 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 12937470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19477584).

12937470 is an abundant number, since it is smaller than the sum of its proper divisors (26017698).

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

12937470 is a wasteful number, since it uses less digits than its factorization.

12937470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 12937470 is about 3596.8694721938. The cubic root of 12937470 is about 234.7558653710.

The spelling of 12937470 in words is "twelve million, nine hundred thirty-seven thousand, four hundred seventy".