13640703 has 8 divisors (see below), whose sum is σ = 18288816. Its totient is φ = 9043200.

The previous prime is 13640699. The next prime is 13640723. The reversal of 13640703 is 30704631.

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

It is not a de Polignac number, because 13640703 - 2² = 13640699 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13640723) 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, 12018 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (2286102).

Almost surely, 2^13640703 is an apocalyptic number.

13640703 is a deficient number, since it is larger than the sum of its proper divisors (4648113).

13640703 is a wasteful number, since it uses less digits than its factorization.

13640703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25305.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13640703 is about 3693.3322352586. The cubic root of 13640703 is about 238.9345303655.

The spelling of 13640703 in words is "thirteen million, six hundred forty thousand, seven hundred three".