12965340 has 48 divisors (see below), whose sum is σ = 36479520. Its totient is φ = 3440640.

The previous prime is 12965333. The next prime is 12965341. The reversal of 12965340 is 4356921.

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

It is a junction number, because it is equal to n+sod(n) for n = 12965298 and 12965307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12965341) 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, 16476 + ... + 17244.

It is an arithmetic number, because the mean of its divisors is an integer number (759990).

Almost surely, 2^12965340 is an apocalyptic number.

12965340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12965340 is an abundant number, since it is smaller than the sum of its proper divisors (23514180).

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

12965340 is a wasteful number, since it uses less digits than its factorization.

12965340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12965340 is about 3600.7415902839. The cubic root of 12965340 is about 234.9243154494.

The spelling of 12965340 in words is "twelve million, nine hundred sixty-five thousand, three hundred forty".