13012454420 has 48 divisors (see below), whose sum is σ = 31454613120. Its totient is φ = 4429309824.

The previous prime is 13012454341. The next prime is 13012454443. The reversal of 13012454420 is 2445421031.

It is a self number, because there is not a number n which added to its sum of digits gives 13012454420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314879 + ... + 353798.

It is an arithmetic number, because the mean of its divisors is an integer number (655304440).

Almost surely, 2^13012454420 is an apocalyptic number.

13012454420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012454420 is an abundant number, since it is smaller than the sum of its proper divisors (18442158700).

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

13012454420 is a wasteful number, since it uses less digits than its factorization.

13012454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668832 (or 668830 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 13012454420 its reverse (2445421031), we get a palindrome (15457875451).

The spelling of 13012454420 in words is "thirteen billion, twelve million, four hundred fifty-four thousand, four hundred twenty".