12770340 has 72 divisors (see below), whose sum is σ = 39325440. Its totient is φ = 3094080.

The previous prime is 12770327. The next prime is 12770363. The reversal of 12770340 is 4307721.

It is a self number, because there is not a number n which added to its sum of digits gives 12770340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6381 + ... + 8139.

Almost surely, 2^12770340 is an apocalyptic number.

12770340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12770340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19662720).

12770340 is an abundant number, since it is smaller than the sum of its proper divisors (26555100).

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

12770340 is a wasteful number, since it uses less digits than its factorization.

12770340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 12770340 is about 3573.5612489504. The cubic root of 12770340 is about 233.7405993913.

The spelling of 12770340 in words is "twelve million, seven hundred seventy thousand, three hundred forty".