13765315 has 4 divisors (see below), whose sum is σ = 16518384. Its totient is φ = 11012248.

The previous prime is 13765303. The next prime is 13765327. The reversal of 13765315 is 51356731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51356731 = 1039 ⋅49429.

It is an interprime number because it is at equal distance from previous prime (13765303) and next prime (13765327).

It is a cyclic number.

It is not a de Polignac number, because 13765315 - 2¹³ = 13757123 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376527 + ... + 1376536.

It is an arithmetic number, because the mean of its divisors is an integer number (4129596).

Almost surely, 2^13765315 is an apocalyptic number.

13765315 is a deficient number, since it is larger than the sum of its proper divisors (2753069).

13765315 is an equidigital number, since it uses as much as digits as its factorization.

13765315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753068.

The product of its digits is 9450, while the sum is 31.

The square root of 13765315 is about 3710.1637430173. The cubic root of 13765315 is about 239.6599060262.

The spelling of 13765315 in words is "thirteen million, seven hundred sixty-five thousand, three hundred fifteen".