12697143040 has 144 divisors (see below), whose sum is σ = 30869959680. Its totient is φ = 5003366400.

The previous prime is 12697143037. The next prime is 12697143047. The reversal of 12697143040 is 4034179621.

It is a super-2 number, since 2×12697143040² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697143047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34596937 + ... + 34597303.

It is an arithmetic number, because the mean of its divisors is an integer number (214374720).

Almost surely, 2^12697143040 is an apocalyptic number.

12697143040 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 12697143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15434979840).

12697143040 is an abundant number, since it is smaller than the sum of its proper divisors (18172816640).

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

12697143040 is a wasteful number, since it uses less digits than its factorization.

12697143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 12697143040 in words is "twelve billion, six hundred ninety-seven million, one hundred forty-three thousand, forty".