13116457 has 8 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 12928944.

The previous prime is 13116443. The next prime is 13116461. The reversal of 13116457 is 75461131.

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 13116457 - 2¹⁵ = 13083689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13116427) 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, 27144 + ... + 27622.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^13116457 is an apocalyptic number.

It is an amenable number.

13116457 is a deficient number, since it is larger than the sum of its proper divisors (189143).

13116457 is a wasteful number, since it uses less digits than its factorization.

13116457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its digits is 2520, while the sum is 28.

The square root of 13116457 is about 3621.6649486113. The cubic root of 13116457 is about 235.8335091654.

Adding to 13116457 its reverse (75461131), we get a palindrome (88577588).

The spelling of 13116457 in words is "thirteen million, one hundred sixteen thousand, four hundred fifty-seven".