13456801237 has 4 divisors (see below), whose sum is σ = 14680146816. Its totient is φ = 12233455660.

The previous prime is 13456801223. The next prime is 13456801249. The reversal of 13456801237 is 73210865431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13456801237 - 2¹¹ = 13456799189 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13456801237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456801637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611672773 + ... + 611672794.

It is an arithmetic number, because the mean of its divisors is an integer number (3670036704).

Almost surely, 2^13456801237 is an apocalyptic number.

It is an amenable number.

13456801237 is a deficient number, since it is larger than the sum of its proper divisors (1223345579).

13456801237 is a wasteful number, since it uses less digits than its factorization.

13456801237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223345578.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 13456801237 in words is "thirteen billion, four hundred fifty-six million, eight hundred one thousand, two hundred thirty-seven".