18269713 has 24 divisors (see below), whose sum is σ = 24225984. Its totient is φ = 13382400.

The previous prime is 18269707. The next prime is 18269729. The reversal of 18269713 is 31796281.

18269713 is nontrivially palindromic in base 16.

It is a de Polignac number, because none of the positive numbers 2^k-18269713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18269113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21843 + ... + 22663.

It is an arithmetic number, because the mean of its divisors is an integer number (1009416).

Almost surely, 2^18269713 is an apocalyptic number.

It is an amenable number.

18269713 is a deficient number, since it is larger than the sum of its proper divisors (5956271).

18269713 is a wasteful number, since it uses less digits than its factorization.

18269713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 856 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 18269713 is about 4274.3084820822. The cubic root of 18269713 is about 263.3766331974.

It can be divided in two parts, 182697 and 13, that added together give a triangular number (182710 = T₆₀₄).

The spelling of 18269713 in words is "eighteen million, two hundred sixty-nine thousand, seven hundred thirteen".