13061971837 has 8 divisors (see below), whose sum is σ = 13639048704. Its totient is φ = 12485658768.

The previous prime is 13061971829. The next prime is 13061971843. The reversal of 13061971837 is 73817916031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13061971837 - 2³ = 13061971829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13061972837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155853 + ... + 224530.

It is an arithmetic number, because the mean of its divisors is an integer number (1704881088).

Almost surely, 2^13061971837 is an apocalyptic number.

It is an amenable number.

13061971837 is a deficient number, since it is larger than the sum of its proper divisors (577076867).

13061971837 is a wasteful number, since it uses less digits than its factorization.

13061971837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381899.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 13061971837 in words is "thirteen billion, sixty-one million, nine hundred seventy-one thousand, eight hundred thirty-seven".