12465757340 has 24 divisors (see below), whose sum is σ = 26437283712. Its totient is φ = 4936932800.

The previous prime is 12465757309. The next prime is 12465757351. The reversal of 12465757340 is 4375756421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12465757291 and 12465757300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3083564 + ... + 3087603.

It is an arithmetic number, because the mean of its divisors is an integer number (1101553488).

Almost surely, 2^12465757340 is an apocalyptic number.

12465757340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12465757340 is an abundant number, since it is smaller than the sum of its proper divisors (13971526372).

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

12465757340 is a wasteful number, since it uses less digits than its factorization.

12465757340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171277 (or 6171275 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 12465757340 in words is "twelve billion, four hundred sixty-five million, seven hundred fifty-seven thousand, three hundred forty".