13401343252 has 12 divisors (see below), whose sum is σ = 25584382656. Its totient is φ = 6091519640.

The previous prime is 13401343247. The next prime is 13401343297. The reversal of 13401343252 is 25234310431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13401343252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152287948 + ... + 152288035.

It is an arithmetic number, because the mean of its divisors is an integer number (2132031888).

Almost surely, 2^13401343252 is an apocalyptic number.

It is an amenable number.

13401343252 is a deficient number, since it is larger than the sum of its proper divisors (12183039404).

13401343252 is a wasteful number, since it uses less digits than its factorization.

13401343252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304575998 (or 304575996 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13401343252 its reverse (25234310431), we get a palindrome (38635653683).

It can be divided in two parts, 13401 and 343252, that added together give a palindrome (356653).

The spelling of 13401343252 in words is "thirteen billion, four hundred one million, three hundred forty-three thousand, two hundred fifty-two".