13864995 has 24 divisors (see below), whose sum is σ = 24431472. Its totient is φ = 7272000.

The previous prime is 13864993. The next prime is 13864997. The reversal of 13864995 is 59946831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13864993) and next prime (13864997).

It is not a de Polignac number, because 13864995 - 2¹ = 13864993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13864995.

It is not an unprimeable number, because it can be changed into a prime (13864993) 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, 220 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (1017978).

Almost surely, 2^13864995 is an apocalyptic number.

13864995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13864995 is a deficient number, since it is larger than the sum of its proper divisors (10566477).

13864995 is a wasteful number, since it uses less digits than its factorization.

13864995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123 (or 5120 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 13864995 is about 3723.5728809841. The cubic root of 13864995 is about 240.2370054580.

The spelling of 13864995 in words is "thirteen million, eight hundred sixty-four thousand, nine hundred ninety-five".