13012442400 has 144 divisors (see below), whose sum is σ = 42526215648. Its totient is φ = 3456000000.

The previous prime is 13012442371. The next prime is 13012442473. The reversal of 13012442400 is 424421031.

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, 591600 + ... + 613200.

It is an arithmetic number, because the mean of its divisors is an integer number (295320942).

Almost surely, 2^13012442400 is an apocalyptic number.

13012442400 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 13012442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21263107824).

13012442400 is an abundant number, since it is smaller than the sum of its proper divisors (29513773248).

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

13012442400 is a wasteful number, since it uses less digits than its factorization.

13012442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21875 (or 21862 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13012442400 its reverse (424421031), we get a palindrome (13436863431).

The spelling of 13012442400 in words is "thirteen billion, twelve million, four hundred forty-two thousand, four hundred".