13640095 has 16 divisors (see below), whose sum is σ = 18805248. Its totient is φ = 9303840.

The previous prime is 13640089. The next prime is 13640101. The reversal of 13640095 is 59004631.

It is an interprime number because it is at equal distance from previous prime (13640089) and next prime (13640101).

It is a de Polignac number, because none of the positive numbers 2^k-13640095 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6462 + ... + 8308.

It is an arithmetic number, because the mean of its divisors is an integer number (1175328).

Almost surely, 2^13640095 is an apocalyptic number.

13640095 is the 1847-th decagonal number.

13640095 is a deficient number, since it is larger than the sum of its proper divisors (5165153).

13640095 is a wasteful number, since it uses less digits than its factorization.

13640095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13640095 is about 3693.2499238476. The cubic root of 13640095 is about 238.9309803443.

The spelling of 13640095 in words is "thirteen million, six hundred forty thousand, ninety-five".