13457087 has 8 divisors (see below), whose sum is σ = 15707136. Its totient is φ = 11288952.

The previous prime is 13457077. The next prime is 13457123. The reversal of 13457087 is 78075431.

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 13457087 - 2¹⁶ = 13391551 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 (13457077) 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, 20123 + ... + 20780.

It is an arithmetic number, because the mean of its divisors is an integer number (1963392).

Almost surely, 2^13457087 is an apocalyptic number.

13457087 is a deficient number, since it is larger than the sum of its proper divisors (2250049).

13457087 is an equidigital number, since it uses as much as digits as its factorization.

13457087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40957.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 13457087 is about 3668.3902464160. The cubic root of 13457087 is about 237.8575931736.

The spelling of 13457087 in words is "thirteen million, four hundred fifty-seven thousand, eighty-seven".