12426898576 has 75 divisors (see below), whose sum is σ = 25767189305. Its totient is φ = 5805670080.

The previous prime is 12426898571. The next prime is 12426898577. The reversal of 12426898576 is 67589862421.

The square root of 12426898576 is 111476.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6516364176 + 5910534400 = 80724^2 + 76880^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 12426898576.

It is not an unprimeable number, because it can be changed into a prime (12426898571) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 400867681 + ... + 400867711.

Almost surely, 2^12426898576 is an apocalyptic number.

12426898576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12426898576 is the 111476-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12426898576

12426898576 is an abundant number, since it is smaller than the sum of its proper divisors (13340290729).

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

12426898576 is an frugal number, since it uses more digits than its factorization.

12426898576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 62 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The spelling of 12426898576 in words is "twelve billion, four hundred twenty-six million, eight hundred ninety-eight thousand, five hundred seventy-six".